748人加入学习
(0人评价)
该课程属于 2243-咸鱼-算法方向-数据挖掘-就业：否 请加入后再学习
{
"id": "24941",
"isDefault": "1",
"learnMode": "lockMode",
"isMember": "",
"status": "published",
"currentTaskId": "",
"isHideUnpublish": "0"
}
{
"i18nChapterName": " ",
"i18nUnitName": " ",
"i18nLessonName": "课时",
"i18nTaskName":"任务"
}
[{"itemType":"unit","number":"1","published_number":0,"title":"\u7b2c1\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940610","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"1","published_number":"1","title":"\u8bfe\u4ef6\u8d44\u6599\u4e0b\u8f7d","result":"","resultStatus":"","lock":false,"status":"published","taskId":"1596368","isOptional":"0","type":"text","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"2","published_number":"2","title":"001 - 00 \u8bfe\u7a0b\u4ecb\u7ecd.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596854","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:25","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"3","published_number":"3","title":"002 - 1 1. \u5f15\u8a00\uff0csklearn\u5165\u95e8.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596855","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:54","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"4","published_number":"4","title":"003 - ===\u3010\u7ecf\u5178\u7b97\u6cd5\u30111 \u51b3\u7b56\u6811===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596856","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"5","published_number":"5","title":"004 - 1 3. \u5206\u7c7b\u6811\uff1a\u53c2\u6570Criterion.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596857","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"6","published_number":"6","title":"005 - 1 4. \u5206\u7c7b\u6811\uff1a\u5b9e\u73b0\u4e00\u68f5\u6811\uff0c\u968f\u673a\u6027\u53c2\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596858","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"27:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"7","published_number":"7","title":"006 - 1 5. \u5206\u7c7b\u6811\uff1a\u526a\u679d\u53c2\u6570\u8c03\u4f18(1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596859","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"8","published_number":"8","title":"007 - 1 5. \u5206\u7c7b\u6811\uff1a\u526a\u679d\u53c2\u6570\u8c03\u4f18(2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596860","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:36","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"9","published_number":"9","title":"008 - 1 6. \u5206\u7c7b\u6811\uff1a\u91cd\u8981\u5c5e\u6027\u548c\u63a5\u53e3.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596861","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"10","published_number":"10","title":"009 - 1 7. \u56de\u5f52\u6811\uff1a\u53c2\u6570\uff0c\u5c5e\u6027\u548c\u63a5\u53e3.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596862","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"11","published_number":"11","title":"010 - 1 7. \u56de\u5f52\u6811\uff1a\u4ea4\u53c9\u9a8c\u8bc1 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596863","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:26","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"12","published_number":"12","title":"011 - 1 7. \u56de\u5f52\u6811\uff1a\u4ea4\u53c9\u9a8c\u8bc1(2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596864","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"13","published_number":"13","title":"012 - 1 8. \u56de\u5f52\u6811\u6848\u4f8b\uff1a\u7528\u56de\u5f52\u6811\u62df\u5408\u6b63\u5f26\u66f2\u7ebf.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1596865","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"29:13","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"14","published_number":"14","title":"013 - 1 9. \u6848\u4f8b\uff1a\u6cf0\u5766\u5c3c\u514b\u53f7\u751f\u5b58\u8005\u9884\u6d4b (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597093","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"34:41","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"15","published_number":"15","title":"014 - 1 9. \u6848\u4f8b\uff1a\u6cf0\u5766\u5c3c\u514b\u53f7\u751f\u5b58\u8005\u9884\u6d4b (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597458","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"16","published_number":"16","title":"015 - 1 9. \u6848\u4f8b\uff1a\u6cf0\u5766\u5c3c\u514b\u53f7\u751f\u5b58\u8005\u9884\u6d4b (3).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597196","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:12","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"17","published_number":"17","title":"016 - 1 9.\u6848\u4f8b\uff1a\u6cf0\u5766\u5c3c\u514b\u53f7\u751f\u5b58\u8005\u9884\u6d4b (4).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597197","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:14","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"18","published_number":"18","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602909","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"2","published_number":0,"title":"\u7b2c2\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940611","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"19","published_number":"19","title":"017 - ===\u3010\u7ecf\u5178\u7b97\u6cd5 \u30112 \u968f\u673a\u68ee\u6797===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597441","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:23","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"20","published_number":"20","title":"018 - 2 2.1 \u968f\u673a\u68ee\u6797\u5206\u7c7b\u5668 \u53c2\u6570n_estimators\u4e0e\u5efa\u7acb\u4e00\u7247\u68ee\u6797.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597442","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"37:53","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"21","published_number":"21","title":"019 - 2 2.2 \u53c2\u6570boostrap & oob_score + \u91cd\u8981\u5c5e\u6027\u548c\u63a5\u53e3.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597443","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"32:03","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"22","published_number":"22","title":"020 - 2 2.3 [\u9009\u5b66] \u888b\u88c5\u6cd5\u7684\u53e6\u4e00\u4e2a\u5fc5\u8981\u6761\u4ef6.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597444","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:30","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"23","published_number":"23","title":"021 - 2 3.1 \u968f\u673a\u68ee\u6797\u56de\u5f52\u5668.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597445","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:13","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"24","published_number":"24","title":"022 - 2 3.2 \u6848\u4f8b\uff1a\u7528\u968f\u673a\u68ee\u6797\u586b\u8865\u7f3a\u5931\u503c (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597446","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"25:20","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"25","published_number":"25","title":"023 - 2 3.2 \u6848\u4f8b\uff1a\u7528\u968f\u673a\u68ee\u6797\u586b\u8865\u7f3a\u5931\u503c (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597447","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:28","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"26","published_number":"26","title":"024 - 2 3.3 \u6848\u4f8b\uff1a\u7528\u968f\u673a\u68ee\u6797\u586b\u8865\u7f3a\u5931\u503c (3).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597448","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"29:57","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"27","published_number":"27","title":"025 - 2 3.4 \u6848\u4f8b\uff1a\u7528\u968f\u673a\u68ee\u6797\u586b\u8865\u7f3a\u5931\u503c (4).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597449","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"28","published_number":"28","title":"026 - 2 4. \u673a\u5668\u5b66\u4e60\u4e2d\u8c03\u53c2\u7684\u57fa\u672c\u601d\u60f3.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597450","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"17:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"29","published_number":"29","title":"027 - 2 5. \u6848\u4f8b\uff1a\u968f\u673a\u68ee\u6797\u5728\u4e73\u817a\u764c\u6570\u636e\u4e0a\u7684\u8c03\u53c2 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597451","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"30","published_number":"30","title":"028 - 2 5. \u6848\u4f8b\uff1a\u968f\u673a\u68ee\u6797\u5728\u4e73\u817a\u764c\u6570\u636e\u4e0a\u7684\u8c03\u53c2 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597452","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"31","published_number":"31","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602910","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"3","published_number":0,"title":"\u7b2c3\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940612","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"32","published_number":"32","title":"029 - ===\u3010\u7279\u5f81\u5de5\u7a0b\u30113 \u6570\u636e\u9884\u5904\u7406===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597453","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"33","published_number":"33","title":"030 - 3 2\u6570\u636e\u9884\u5904\u74061\uff1a\u65e0\u91cf\u7eb2\u5316\uff1a\u6570\u636e\u5f52\u4e00\u5316.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597454","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"17:30","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"34","published_number":"34","title":"031 - 3 3\u6570\u636e\u9884\u5904\u74062\uff1a\u65e0\u91cf\u7eb2\u5316\uff1a\u6570\u636e\u6807\u51c6\u5316.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597455","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"35","published_number":"35","title":"032 - 3 4\u6570\u636e\u9884\u5904\u74063\uff1a\u7f3a\u5931\u503c (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597456","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:51","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"36","published_number":"36","title":"033 - 3 5\u6570\u636e\u9884\u5904\u74064\uff1a\u7f3a\u5931\u503c (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597457","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:58","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"37","published_number":"37","title":"034 - 3 6\u6570\u636e\u9884\u5904\u74065\uff1a\u5904\u7406\u5206\u7c7b\u578b\u6570\u636e\uff1a\u7f16\u7801\u4e0e\u54d1\u53d8\u91cf.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597459","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"34:47","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"38","published_number":"38","title":"035 - 3 7\u6570\u636e\u9884\u5904\u74066\uff1a\u5904\u7406\u8fde\u7eed\u578b\u6570\u636e\uff1a\u4e8c\u503c\u5316\u548c\u5206\u7bb1.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597460","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"17:30","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"39","published_number":"39","title":"036 - 3 8\u7279\u5f81\u9009\u62e91\uff1a\u8fc7\u6ee4\u6cd5\uff1a\u65b9\u5dee\u8fc7\u6ee4 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597461","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:40","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"40","published_number":"40","title":"037 - 3 9\u7279\u5f81\u9009\u62e92\uff1a\u8fc7\u6ee4\u6cd5\uff1a\u65b9\u5dee\u8fc7\u6ee4 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597462","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"28:12","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"41","published_number":"41","title":"038 - 3 10\u7279\u5f81\u9009\u62e93\uff1a\u8fc7\u6ee4\u6cd5\uff1a\u5361\u65b9\u8fc7\u6ee4.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597463","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"42","published_number":"42","title":"039 - 3 11\u7279\u5f81\u9009\u62e94\uff1a\u8fc7\u6ee4\u6cd5\uff1aF\u68c0\u9a8c\u548c\u4e92\u4fe1\u606f\u6cd5 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597464","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"43","published_number":"43","title":"040 - 3 12\u7279\u5f81\u9009\u62e95\uff1a\u8fc7\u6ee4\u6cd5\uff1a\u4e92\u4fe1\u606f\u6cd5(2) + \u603b\u7ed3.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597465","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:25","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"44","published_number":"44","title":"041 - 3 13\u7279\u5f81\u9009\u62e96\uff1a\u5d4c\u5165\u6cd5 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597466","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"45","published_number":"45","title":"042 - 3 14\u7279\u5f81\u9009\u62e97\uff1a\u5d4c\u5165\u6cd5 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597467","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:50","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"46","published_number":"46","title":"043 - 3 15\u7279\u5f81\u9009\u62e98\uff1a\u5305\u88c5\u6cd5 + \u603b\u7ed3.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597468","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"47","published_number":"47","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602911","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"4","published_number":0,"title":"\u7b2c4\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940613","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"48","published_number":"48","title":"044 - ===\u3010\u7ecf\u5178\u7b97\u6cd5\u30114 \u964d\u7ef4\u7b97\u6cd5PCA===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597469","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"49","published_number":"49","title":"045 - 4 2.1 \u964d\u7ef4\u7a76\u7adf\u600e\u6837\u5b9e\u73b0\uff1f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597470","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"50","published_number":"50","title":"046 - 4 2.2 \u53c2\u6570 + \u6848\u4f8b\uff1a\u9ad8\u7ef4\u6570\u636e\u7684\u53ef\u89c6\u5316 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597471","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"51","published_number":"51","title":"047 - 4 2.2 \u53c2\u6570 + \u6848\u4f8b\uff1a\u9ad8\u7ef4\u6570\u636e\u7684\u53ef\u89c6\u5316 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597472","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:32","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"52","published_number":"52","title":"048 - 4 2.3 PCA\u4e2d\u7684SVD\uff0c\u91cd\u8981\u53c2\u6570svd_solver.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597473","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"53","published_number":"53","title":"049 - 4 2.3 \u53c2\u6570 + \u6848\u4f8b\uff1a\u4eba\u8138\u8bc6\u522b\u4e2d\u7684components_\u5e94\u7528.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597474","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"41:45","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"54","published_number":"54","title":"050 - 4 2.4 \u91cd\u8981\u63a5\u53e3 + \u6848\u4f8b1\uff1a\u7528\u4eba\u8138\u8bc6\u522b\u770bPCA\u964d\u7ef4\u540e\u7684\u4fe1\u606f\u4fdd\u5b58\u91cf.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597475","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:59","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"55","published_number":"55","title":"051 - 4 2.4 \u91cd\u8981\u63a5\u53e3 + \u6848\u4f8b2\uff1a\u7528PCA\u5b9e\u73b0\u624b\u5199\u6570\u5b57\u7684\u566a\u97f3\u8fc7\u6ee4.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597476","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:05","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"56","published_number":"56","title":"052 - 4 2.5 \u539f\u7406\uff0c\u6d41\u7a0b\uff0c\u91cd\u8981\u5c5e\u6027\u63a5\u53e3\u548c\u53c2\u6570\u7684\u603b\u7ed3.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597477","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:51","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"57","published_number":"57","title":"053 - 4 3 \u6848\u4f8b\uff1aPCA\u5b9e\u73b0784\u4e2a\u7279\u5f81\u7684\u624b\u5199\u6570\u5b57\u7684\u964d\u7ef4 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597478","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"24:45","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"58","published_number":"58","title":"054 - 4 3 \u6848\u4f8b\uff1aPCA\u5b9e\u73b0784\u4e2a\u7279\u5f81\u7684\u624b\u5199\u6570\u5b57\u7684\u964d\u7ef4 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597479","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"59","published_number":"59","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602912","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"5","published_number":0,"title":"\u7b2c5\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940614","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"60","published_number":"60","title":"055 - ===\u3010\u7ecf\u5178\u7b97\u6cd5\u30115 \u903b\u8f91\u56de\u5f52===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597480","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:48","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"61","published_number":"61","title":"056 - 5 1.1 \u903b\u8f91\u56de\u5f52\u6982\u8ff0\uff1a\u540d\u4e3a\u201c\u56de\u5f52\u201d\u7684\u5206\u7c7b\u5668.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597481","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:54","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"62","published_number":"62","title":"057 - 5 1.2 \u4e3a\u4ec0\u4e48\u9700\u8981\u903b\u8f91\u56de\u5f52.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597482","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"63","published_number":"63","title":"058 - 5 1.3 sklearn\u5f53\u4e2d\u7684\u903b\u8f91\u56de\u5f52.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597483","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"64","published_number":"64","title":"059 - 5 2.1.1 \u4e8c\u5143\u903b\u8f91\u56de\u5f52\u7684\u635f\u5931\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597484","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"65","published_number":"65","title":"060 - 5 2.2.1 \u6b63\u5219\u5316\uff1a\u91cd\u8981\u53c2\u6570penalty & C.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1598104","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"28:46","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"66","published_number":"66","title":"061 - 5 2.2.2 \u903b\u8f91\u56de\u5f52\u7684\u7279\u5f81\u5de5\u7a0b (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597624","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"67","published_number":"67","title":"062 - 5 2.2.2 \u903b\u8f91\u56de\u5f52\u7684\u7279\u5f81\u5de5\u7a0b (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597625","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"68","published_number":"68","title":"063 - 5 2.2.2 \u903b\u8f91\u56de\u5f52\u7684\u7279\u5f81\u5de5\u7a0b (3).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597626","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:53","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"69","published_number":"69","title":"064 - 5 2.2.2 \u903b\u8f91\u56de\u5f52\u7684\u7279\u5f81\u5de5\u7a0b (4).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597627","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:18","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"70","published_number":"70","title":"065 - 5 2.3.1 \u91cd\u8981\u53c2\u6570max_iter - \u68af\u5ea6\u4e0b\u964d\u6c42\u89e3\u903b\u8f91\u56de\u5f52\u7684\u8fc7\u7a0b.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597628","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:49","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"71","published_number":"71","title":"066 - 5 2.3.2 \u68af\u5ea6\u7684\u6982\u5ff5\u4e0e\u89e3\u60d1.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597629","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"72","published_number":"72","title":"067 - 5 2.3.3 \u6b65\u957f\u7684\u6982\u5ff5\u4e0e\u89e3\u60d1.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597767","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"73","published_number":"73","title":"068 - 5 2.4 \u4e8c\u5143\u56de\u5f52\u4e0e\u591a\u5143\u56de\u5f52\uff1a\u91cd\u8981\u53c2\u6570solver & multi_class.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597768","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:26","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"74","published_number":"74","title":"069 - 5 2.5 \u6837\u672c\u4e0d\u5747\u8861\u4e0e\u53c2\u6570class_weight.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597769","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:19","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"75","published_number":"75","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602913","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"6","published_number":0,"title":"\u7b2c6\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940615","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"76","published_number":"76","title":"070 - 5 3.1 \u6848\u4f8b\uff1a\u7528\u903b\u8f91\u56de\u5f52\u5236\u4f5c\u8bc4\u5206\u5361 - \u8bc4\u5206\u5361\u4e0e\u5b8c\u6574\u7684\u6a21\u578b\u5f00\u53d1\u6d41\u7a0b.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597770","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:36","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"77","published_number":"77","title":"071 - 5 3.2.1~2 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u6570\u636e\u9884\u5904\u7406(1) - \u91cd\u590d\u503c\u4e0e\u7f3a\u5931\u503c.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597771","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"78","published_number":"78","title":"072 - 5 3.2.3 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u6570\u636e\u9884\u5904\u7406 (2) - \u5f02\u5e38\u503c.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597772","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"79","published_number":"79","title":"073 - 5 3.2.4 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u6570\u636e\u9884\u5904\u7406 (3) - \u6807\u51c6\u5316.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597773","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:21","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"80","published_number":"80","title":"074 - 5 3.2.5 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u6570\u636e\u9884\u5904\u7406 (4) - \u6837\u672c\u4e0d\u5747\u8861\u95ee\u9898.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597774","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:43","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"81","published_number":"81","title":"075 - 5 3.2.6 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u6570\u636e\u9884\u5904\u7406 (5) - \u4fdd\u5b58\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\u6570\u636e.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597775","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"82","published_number":"82","title":"076 - 5 3.3 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u5206\u7bb1 (1) - \u6982\u8ff0\u4e0e\u6982\u5ff5.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597776","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:47","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"83","published_number":"83","title":"077 - 5 3.3.1 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u5206\u7bb1 (2) - \u7b49\u9891\u5206\u7bb1 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597777","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:58","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"84","published_number":"84","title":"078 - 5 3.3.1 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u5206\u7bb1 (3) - \u7b49\u9891\u5206\u7bb1 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597778","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"85","published_number":"85","title":"079 - 5 3.3.2 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u5206\u7bb1 (4) - \u9009\u5b66\u8bf4\u660e.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597779","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:06","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"86","published_number":"86","title":"080 - 5 3.3.3 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u5206\u7bb1 (5) - \u8ba1\u7b97WOE\u4e0eIV.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597780","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:10","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"87","published_number":"87","title":"081 - 5 3.3.4 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u5206\u7bb1 (6) - \u5361\u65b9\u68c0\u9a8c\uff0c\u786e\u2026.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597944","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"22:32","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"88","published_number":"88","title":"082 - 5 3.3.5 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u5206\u7bb1 (7) - \u5305\u88c5\u5206\u7bb1\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597945","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"89","published_number":"89","title":"083 - 5 3.3.6 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u5206\u7bb1 (8) - \u5305\u88c5\u5224\u65ad\u5206\u7bb1\u4e2a\u6570\u7684\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1597946","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:09","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"90","published_number":"90","title":"084 - 5 3.3.7 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u5206\u7bb1 (9) - \u5bf9\u6240\u6709\u7279\u5f81\u8fdb\u884c\u5206\u7bb1.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1598010","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"91","published_number":"91","title":"085 - 5 3.4 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u6620\u5c04\u6570\u636e (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1598011","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"92","published_number":"92","title":"086 - 5 3.4 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u6620\u5c04\u6570\u636e (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1598012","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:02","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"93","published_number":"93","title":"087 - 5 3.5 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u5efa\u6a21\u4e0e\u6a21\u578b\u9a8c\u8bc1.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1598063","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:41","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"94","published_number":"94","title":"088 - 5 3.6 \u6848\u4f8b\uff1a\u8bc4\u5206\u5361 - \u8bc4\u5206\u5361\u7684\u8f93\u51fa\u548c\u5efa\u7acb.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1598064","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:59","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"95","published_number":"95","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602914","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"7","published_number":0,"title":"\u7b2c7\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940616","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"96","published_number":"96","title":"089 - ===\u3010\u7ecf\u5178\u7b97\u6cd5\u30116 \u805a\u7c7b\u7b97\u6cd5KMeans===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1598105","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"97","published_number":"97","title":"090 - 6 1.1 \u65e0\u76d1\u7763\u5b66\u4e60\u6982\u8ff0\uff0c\u805a\u7c7bvs\u5206\u7c7b.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1598106","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"98","published_number":"98","title":"091 - 6 1.2 sklearn\u5f53\u4e2d\u7684\u805a\u7c7b\u7b97\u6cd5.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1598107","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:19","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"99","published_number":"99","title":"092 - 6 2.1 Kmeans\u662f\u5982\u4f55\u5de5\u4f5c\u7684\uff1f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1598617","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:39","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"100","published_number":"100","title":"093 - 6 2.2 & 2.3 \u7c07\u5185\u5e73\u65b9\u548c\uff0c\u65f6\u95f4\u590d\u6742\u5ea6.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599158","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:48","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"101","published_number":"101","title":"094 - 6 3.1.1 KMeans - \u91cd\u8981\u53c2\u6570n_clusters.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599159","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"102","published_number":"102","title":"095 - 6 3.1.2 \u805a\u7c7b\u7b97\u6cd5\u7684\u6a21\u578b\u8bc4\u4f30\u6307\u6807 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599370","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:58","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"103","published_number":"103","title":"096 - 6 3.1.2 \u805a\u7c7b\u7b97\u6cd5\u7684\u6a21\u578b\u8bc4\u4f30\u6307\u6807 (2) - \u8f6e\u5ed3\u7cfb\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599371","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:50","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"104","published_number":"104","title":"097 - 6 3.1.2 \u805a\u7c7b\u7b97\u6cd5\u7684\u6a21\u578b\u8bc4\u4f30\u6307\u6807 (3) - CHI.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599372","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"105","published_number":"105","title":"098 - 6 3.1.3 \u6848\u4f8b\uff1a\u8f6e\u5ed3\u7cfb\u6570\u627e\u6700\u4f73n_clusters (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599373","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:02","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"106","published_number":"106","title":"099 - 6 3.1.3 \u6848\u4f8b\uff1a\u8f6e\u5ed3\u7cfb\u6570\u627e\u6700\u4f73n_clusters (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599374","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:59","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"107","published_number":"107","title":"100 - 6 3.1.3 \u6848\u4f8b\uff1a\u8f6e\u5ed3\u7cfb\u6570\u627e\u6700\u4f73n_clusters (3).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599375","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:18","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"108","published_number":"108","title":"101 - 6 3.2 \u91cd\u8981\u53c2\u6570init & random_state & n_init.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599376","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"109","published_number":"109","title":"102 - 6 3.3 \u91cd\u8981\u53c2\u6570max_iter & tol\uff1a\u5982\u4f55\u8ba9\u805a\u7c7b\u505c\u4e0b\u6765\uff1f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599377","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:09","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"110","published_number":"110","title":"103 - 6 3.4 \u91cd\u8981\u5c5e\u6027\u4e0e\u63a5\u53e3 & \u51fd\u6570k_means.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599378","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"111","published_number":"111","title":"104 - 6 4 \u6848\u4f8b\uff1aKmeans\u505a\u77e2\u91cf\u91cf\u5316 (1)\uff1a\u6848\u4f8b\u80cc\u666f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599416","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:59","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"112","published_number":"112","title":"105 - 6 4 \u6848\u4f8b\uff1aKmeans\u505a\u77e2\u91cf\u91cf\u5316 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599417","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:00","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"113","published_number":"113","title":"106 - 6 4 \u6848\u4f8b\uff1aKmeans\u505a\u77e2\u91cf\u91cf\u5316 (3).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599418","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"114","published_number":"114","title":"107 - 6 4 \u6848\u4f8b\uff1aKmeans\u505a\u77e2\u91cf\u91cf\u5316 (4).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599419","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:26","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"115","published_number":"115","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602915","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"8","published_number":0,"title":"\u7b2c8\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940617","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"116","published_number":"116","title":"108 - ===\u3010\u7ecf\u5178\u7b97\u6cd5\u30117 \u652f\u6301\u5411\u91cf\u673aSVM\uff08\u4e0a\uff09===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599420","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:51","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"117","published_number":"117","title":"109 - 7 1.1 \u652f\u6301\u5411\u91cf\u673a\u6982\u8ff0\uff1a\u6700\u5f3a\u5927\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599421","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:35","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"118","published_number":"118","title":"110 - 7 1.2 \u652f\u6301\u5411\u91cf\u673a\u662f\u5982\u4f55\u5de5\u4f5c\u7684 & sklearn\u4e2d\u7684SVM.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599422","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:09","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"119","published_number":"119","title":"111 - 7 2.1.1 \u7ebf\u6027SVC\u7684\u635f\u5931\u51fd\u6570 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599423","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:03","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"120","published_number":"120","title":"112 - 7 2.1.1 \u7ebf\u6027SVC\u7684\u635f\u5931\u51fd\u6570 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599702","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"121","published_number":"121","title":"113 - 7 2.1.2 \u51fd\u6570\u95f4\u9694\u4e0e\u51e0\u4f55\u95f4\u9694.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599703","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:41","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"122","published_number":"122","title":"114 - 7 2.1.3.1 \u635f\u5931\u51fd\u6570\u7684\u62c9\u683c\u6717\u65e5\u4e58\u6570\u5f62\u6001.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599704","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:51","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"123","published_number":"123","title":"115 - 7 2.1.3.2 \u62c9\u683c\u6717\u65e5\u5bf9\u5076\u51fd\u6570 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599705","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:28","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"124","published_number":"124","title":"116 - 7 2.1.3.2 \u62c9\u683c\u6717\u65e5\u5bf9\u5076\u51fd\u6570 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599706","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"125","published_number":"125","title":"117 - 7 2.1.3.3 \u6c42\u89e3\u62c9\u683c\u6717\u65e5\u5bf9\u5076\u51fd\u6570\u6781\u5176\u540e\u7eed\u8fc7\u7a0b.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599707","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:49","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"126","published_number":"126","title":"118 - 7 2.1.4 \u7ebf\u6027SVM\u7684\u6c42\u89e3\u8fc7\u7a0b\u7684\u53ef\u89c6\u5316 (1)\uff1a\u7406\u89e3\u7b49\u9ad8\u7ebf\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599708","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"127","published_number":"127","title":"119 - 7 2.1.4 \u7ebf\u6027SVM\u7684\u6c42\u89e3\u8fc7\u7a0b\u7684\u53ef\u89c6\u5316 (2)\uff1a\u7406\u89e3\u7f51\u683c\u5236\u4f5c\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599709","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:53","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"128","published_number":"128","title":"120 - 7 2.1.4 \u7ebf\u6027SVM\u7684\u6c42\u89e3\u8fc7\u7a0b\u7684\u53ef\u89c6\u5316 (3)\uff1a\u5efa\u6a21\uff0c\u7ed8\u5236\u56fe\u50cf\u5e76\u5305\u88c5\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599710","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"129","published_number":"129","title":"121 - 7 2.1.4 \u7ebf\u6027SVM\u7684\u6c42\u89e3\u8fc7\u7a0b\u7684\u53ef\u89c6\u5316 (4)\uff1a\u63a2\u7d22\u5efa\u7acb\u597d\u7684\u6a21\u578b.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599711","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:24","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"130","published_number":"130","title":"122 - 7 2.1.4 \u7ebf\u6027SVM\u7684\u6c42\u89e3\u8fc7\u7a0b\u7684\u53ef\u89c6\u5316 (5)\uff1a\u975e\u7ebf\u6027\u6570\u636e\u96c6\u4e0a\u7684\u63a8\u5e7f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599712","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:17","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"131","published_number":"131","title":"123 - 7 2.1.4 \u7ebf\u6027SVM\u7684\u6c42\u89e3\u8fc7\u7a0b\u7684\u53ef\u89c6\u5316 (6).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599713","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"132","published_number":"132","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602916","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"9","published_number":0,"title":"\u7b2c9\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940618","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"133","published_number":"133","title":"124 - 7 2.2.1 & 2.2.2 \u975e\u7ebf\u6027SVM\u4e0e\u6838\u51fd\u6570\uff1a\u91cd\u8981\u53c2\u6570kernel.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599714","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:54","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"134","published_number":"134","title":"125 - 7 2.2.3 \u6848\u4f8b\uff1a\u5982\u4f55\u9009\u53d6\u6700\u4f73\u6838\u51fd\u6570 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599715","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"135","published_number":"135","title":"126 - 7 2.2.3 \u6848\u4f8b\uff1a\u5982\u4f55\u9009\u53d6\u6700\u4f73\u6838\u51fd\u6570 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599716","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"136","published_number":"136","title":"127 - 7 2.2.4 \u6848\u4f8b\uff1a\u5728\u4e73\u817a\u764c\u6570\u636e\u96c6\u4e0a\u63a2\u7d22\u6838\u51fd\u6570\u7684\u6027\u8d28.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599717","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"33:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"137","published_number":"137","title":"128 - 7 2.2.5 \u6848\u4f8b\uff1a\u5728\u4e73\u817a\u764c\u6570\u636e\u96c6\u4e0a\u5bf9\u6838\u51fd\u6570\u8fdb\u884c\u8c03\u53c2 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599718","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"138","published_number":"138","title":"129 - 7 2.2.5 \u6848\u4f8b\uff1a\u5728\u4e73\u817a\u764c\u6570\u636e\u96c6\u4e0a\u5bf9\u6838\u51fd\u6570\u8fdb\u884c\u8c03\u53c2 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599719","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:00","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"139","published_number":"139","title":"130 - 7 2.3.1 SVM\u5728\u8f6f\u95f4\u9694\u6570\u636e\u4e0a\u7684\u63a8\u5e7f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599720","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:47","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"140","published_number":"140","title":"131 - 7 2.3.2 \u91cd\u8981\u53c2\u6570C & \u603b\u7ed3.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599721","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:19","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"141","published_number":"141","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602917","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"10","published_number":0,"title":"\u7b2c10\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940619","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"142","published_number":"142","title":"132 - ===\u3010\u7ecf\u5178\u7b97\u6cd5\u30118 \u652f\u6301\u5411\u91cf\u673aSVM\uff08\u4e0b\uff09===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599722","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:17","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"143","published_number":"143","title":"133 - 8 1.1 \u7b80\u5355\u590d\u4e60\u652f\u6301\u5411\u91cf\u673a\u7684\u57fa\u672c\u539f\u7406.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599815","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:43","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"144","published_number":"144","title":"134 - 8 1.2 \u53c2\u6570C\u7684\u6df1\u5165\u7406\u89e3\uff1a\u591a\u4e2a\u652f\u6301\u5411\u91cf\u5b58\u5728\u7684\u7406\u7531.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599816","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:30","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"145","published_number":"145","title":"135 - 8 1.3 \u4e8c\u5206\u7c7bSVC\u4e2d\u7684\u6837\u672c\u4e0d\u5747\u8861\u95ee\u9898\uff1a\u91cd\u8981\u53c2\u6570class_weight.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599817","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:19","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"146","published_number":"146","title":"136 - 8 1.3 \u5982\u4f55\u4f7f\u7528\u53c2\u6570class_weight (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599814","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:14","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"147","published_number":"147","title":"137 - 8 1.3 \u5982\u4f55\u4f7f\u7528\u53c2\u6570class_weight (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599818","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:06","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"148","published_number":"148","title":"138 - 8 2 SVC\u7684\u6a21\u578b\u8bc4\u4f30\u6307\u6807.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599819","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:30","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"149","published_number":"149","title":"139 - 8 2.1 \u6df7\u6dc6\u77e9\u9635\u4e0e\u51c6\u786e\u7387.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599820","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"150","published_number":"150","title":"140 - 8 2.1 \u6837\u672c\u4e0d\u5e73\u8861\u7684\u827a\u672f(1)\uff1a\u7cbe\u786e\u5ea6Precision.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599821","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:27","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"151","published_number":"151","title":"141 - 8 2.1 \u6837\u672c\u4e0d\u5e73\u8861\u7684\u827a\u672f(2)\uff1a\u53ec\u56de\u7387Recall\u4e0eF1 measure.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1599822","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"152","published_number":"152","title":"142 - 8 2.1.3 \u5bf9\u591a\u6570\u7c7b\u6837\u672c\u7684\u5173\u6000\uff1a\u7279\u5f02\u5ea6Specificity\u4e0e\u5047\u6b63\u7387FPR.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600245","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:28","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"153","published_number":"153","title":"143 - 8 2.1.4 sklearn\u4e2d\u7684\u6df7\u6dc6\u77e9\u9635.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600246","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:55","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"154","published_number":"154","title":"144 - 8 2.2 ROC\u66f2\u7ebf\uff1aRecall\u4e0e\u5047\u6b63\u7387FPR\u7684\u5e73\u8861.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600247","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:06","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"155","published_number":"155","title":"145 - 8 2.2.1 \u6982\u7387\u4e0e\u9608\u503c.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600561","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"156","published_number":"156","title":"146 - 8 2.2.2 SVM\u505a\u6982\u7387\u9884\u6d4b.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600627","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:41","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"157","published_number":"157","title":"147 - 8 2.2.3 \u7ed8\u5236ROC\u66f2\u7ebf (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600562","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:00","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"158","published_number":"158","title":"148 - 8 2.2.3 \u7ed8\u5236ROC\u66f2\u7ebf (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600563","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"159","published_number":"159","title":"149 - 8 2.2.3 \u7ed8\u5236ROC\u66f2\u7ebf (3).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600564","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"160","published_number":"160","title":"150 - 8 2.2.4 sklearn\u4e2d\u7684ROC\u66f2\u7ebf\u548cAUC\u9762\u79ef.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600565","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"161","published_number":"161","title":"151 - 8 2.2.5 \u5229\u7528ROC\u66f2\u7ebf\u6c42\u89e3\u6700\u4f73\u9608\u503c.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600566","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:53","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"162","published_number":"162","title":"152 - 8 3 \u9009\u5b66\u8bf4\u660e\uff1a\u4f7f\u7528SVC\u65f6\u7684\u5176\u4ed6\u8003\u8651.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600567","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:59","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"163","published_number":"163","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602918","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"11","published_number":0,"title":"\u7b2c11\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940620","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"164","published_number":"164","title":"153 - 8 4 \u6848\u4f8b\uff1a\u9884\u6d4b\u660e\u5929\u662f\u5426\u4f1a\u4e0b\u96e8 - \u6848\u4f8b\u80cc\u666f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600569","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"165","published_number":"165","title":"154 - 8 4.1 \u6848\u4f8b\uff1a\u5bfc\u5e93\u5bfc\u6570\u636e\uff0c\u63a2\u7d22\u7279\u5f81\uff0cjupyter\u4e2d\u7684\u5feb\u6377\u952e.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600570","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:22","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"166","published_number":"166","title":"155 - 8 4.2 \u6848\u4f8b\uff1a\u5206\u96c6\uff0c\u4f18\u5148\u5904\u7406\u6807\u7b7e.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600571","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"167","published_number":"167","title":"156 - 8 4.3.1 \u6848\u4f8b\uff1a\u63cf\u8ff0\u6027\u7edf\u8ba1\uff0c\u5904\u7406\u5f02\u5e38\u503c.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600572","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:10","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"168","published_number":"168","title":"157 - 8 4.3.2 \u6848\u4f8b\uff1a\u73b0\u5b9e\u6570\u636e\u4e0a\u7684\u6570\u636e\u9884\u5904\u7406 - \u5904\u7406\u65f6\u95f4.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600573","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"35:43","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"169","published_number":"169","title":"158 - 8 4.3.3 \u6848\u4f8b\uff1a\u73b0\u5b9e\u6570\u636e\u4e0a\u7684\u6570\u636e\u9884\u5904\u7406 - \u5904\u7406\u5730\u70b9 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600574","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"170","published_number":"170","title":"159 - 8 4.3.3 \u6848\u4f8b\uff1a\u73b0\u5b9e\u6570\u636e\u4e0a\u7684\u6570\u636e\u9884\u5904\u7406 - \u5904\u7406\u5730\u70b9 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600575","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:43","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"171","published_number":"171","title":"160 - 8 4.3.3 \u6848\u4f8b\uff1a\u73b0\u5b9e\u6570\u636e\u4e0a\u7684\u6570\u636e\u9884\u5904\u7406 - \u5904\u7406\u5730\u70b9 (3).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600576","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"172","published_number":"172","title":"161 - 8 4.3.3 \u6848\u4f8b\uff1a\u73b0\u5b9e\u6570\u636e\u4e0a\u7684\u6570\u636e\u9884\u5904\u7406 - \u5904\u7406\u5730\u70b9 (4).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600577","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:12","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"173","published_number":"173","title":"162 - 8 4.3.4 \u6848\u4f8b\uff1a\u73b0\u5b9e\u6570\u636e\u4e0a\u7684\u6570\u636e\u9884\u5904\u7406 - \u586b\u8865\u5206\u7c7b\u578b\u7f3a\u5931\u503c.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600578","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"174","published_number":"174","title":"163 - 8 4.3.5 \u6848\u4f8b\uff1a\u73b0\u5b9e\u6570\u636e\u4e0a\u7684\u6570\u636e\u9884\u5904\u7406 - \u7f16\u7801\u5206\u7c7b\u578b\u53d8\u91cf.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600579","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"175","published_number":"175","title":"164 - 8 4.3.6 & 4.3.7 \u6848\u4f8b\uff1a\u73b0\u5b9e\u6570\u636e\u96c6\u4e0a\u7684\u6570\u636e\u9884\u5904\u7406.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600580","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"176","published_number":"176","title":"165 - 8 4.4 \u6848\u4f8b\uff1a\u5efa\u6a21\u4e0e\u6a21\u578b\u8bc4\u4f30 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600581","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:49","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"177","published_number":"177","title":"166 - 8 4.4 \u6848\u4f8b\uff1a\u5efa\u6a21\u4e0e\u6a21\u578b\u8bc4\u4f30 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600645","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:25","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"178","published_number":"178","title":"167 - 8 4.5.1 \u6848\u4f8b\uff1a\u6a21\u578b\u8c03\u53c2\uff1a\u8ffd\u6c42\u6700\u9ad8\u7684recall.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600646","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:55","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"179","published_number":"179","title":"168 - 8 4.5.2 \u6848\u4f8b\uff1a\u6a21\u578b\u8c03\u53c2\uff1a\u8ffd\u6c42\u6700\u9ad8\u7684\u7cbe\u786e\u5ea6 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600647","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:07","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"180","published_number":"180","title":"169 - 8 4.5.2 \u6848\u4f8b\uff1a\u6a21\u578b\u8c03\u53c2\uff1a\u8ffd\u6c42\u6700\u9ad8\u7684\u7cbe\u786e\u5ea6 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600648","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:23","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"181","published_number":"181","title":"170 - 8 4.5.3 \u6848\u4f8b\uff1a\u6a21\u578b\u8c03\u53c2\uff1a\u8ffd\u6c42\u7cbe\u786e\u5ea6\u4e0erecall\u7684\u5e73\u8861.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600649","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"14:56","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"182","published_number":"182","title":"171 - 8 4.6 SVM\u603b\u7ed3\u4e0e\u7ed3\u8bed.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600650","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"183","published_number":"183","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602919","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"12","published_number":0,"title":"\u7b2c12\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940621","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"184","published_number":"184","title":"172 - ===\u3010\u7ecf\u5178\u7b97\u6cd5\u30119 \u7ebf\u6027\u56de\u5f52 ===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600872","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"185","published_number":"185","title":"173 - 9 1 \u6982\u8ff0\uff0csklearn\u4e2d\u7684\u7ebf\u6027\u56de\u5f52\u5927\u5bb6\u65cf.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600873","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:57","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"186","published_number":"186","title":"174 - 9 2.1 \u591a\u5143\u7ebf\u6027\u56de\u5f52\u7684\u57fa\u672c\u539f\u7406\u548c\u635f\u5931\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600874","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:02","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"187","published_number":"187","title":"175 - 9 2.2 \u7528\u6700\u5c0f\u4e8c\u4e58\u6cd5\u6c42\u89e3\u591a\u5143\u7ebf\u6027\u56de\u5f52\u7684\u8fc7\u7a0b.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600875","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:09","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"188","published_number":"188","title":"176 - 9 2.3 \u591a\u5143\u7ebf\u6027\u56de\u5f52\u7684\u53c2\u6570\uff0c\u5c5e\u6027\u53ca\u5efa\u6a21\u4ee3\u7801.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600876","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"27:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"189","published_number":"189","title":"177 - 9 3.1 \u56de\u5f52\u7c7b\u6a21\u578b\u7684\u8bc4\u4f30\u6307\u6807\uff1a\u662f\u5426\u9884\u6d4b\u51c6\u786e\uff1f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600877","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:33","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"190","published_number":"190","title":"178 - 9 3.2 \u56de\u5f52\u7c7b\u6a21\u578b\u7684\u8bc4\u4f30\u6307\u6807\uff1a\u662f\u5426\u62df\u5408\u4e86\u8db3\u591f\u7684\u4fe1\u606f\uff1f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600878","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"29:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"191","published_number":"191","title":"179 - 9 4.1 \u591a\u91cd\u5171\u7ebf\u6027\uff1a\u542b\u4e49\uff0c\u6570\u5b66\uff0c\u4ee5\u53ca\u89e3\u51b3\u65b9\u6848.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600879","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"34:35","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"192","published_number":"192","title":"180 - 9 4.2.1 \u5cad\u56de\u5f52\u5904\u7406\u591a\u91cd\u5171\u7ebf\u6027.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600880","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:00","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"193","published_number":"193","title":"181 - 9 4.2.2 sklearn\u4e2d\u7684\u5cad\u56de\u5f52\uff1alinear_model.Ridge.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600881","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:40","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"194","published_number":"194","title":"182 - 9 4.2.3 \u4e3a\u5cad\u56de\u5f52\u9009\u62e9\u6700\u4f73\u6b63\u5219\u5316\u53c2\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600882","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"23:46","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"195","published_number":"195","title":"183 - 9 4.3.1 Lasso\u5904\u7406\u591a\u91cd\u5171\u7ebf\u6027.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600883","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:40","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"196","published_number":"196","title":"184 - 9 4.3.2 Lasso\u7684\u6838\u5fc3\u4f5c\u7528\uff1a\u7279\u5f81\u9009\u62e9.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600884","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:36","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"197","published_number":"197","title":"185 - 9 4.3.3 Lasso\u9009\u62e9\u6700\u4f73\u6b63\u5219\u5316\u53c2\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600885","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"27:30","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"198","published_number":"198","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602920","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"13","published_number":0,"title":"\u7b2c13\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1940622","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"199","published_number":"199","title":"186 - 9 5.1.1 & 5.1.2 \u7ebf\u6027\u6570\u636e\u4e0e\u975e\u7ebf\u6027\u6570\u636e.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600886","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:05","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"200","published_number":"200","title":"187 - 9 5.1.3 \u7ebf\u6027vs\u975e\u7ebf\u6027\u6a21\u578b (1)\uff1a\u7ebf\u6027\u6a21\u578b\u5728\u975e\u7ebf\u6027\u6570\u636e\u96c6\u4e0a\u7684\u8868\u73b0.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600887","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"201","published_number":"201","title":"188 - 9 5.1.3 \u7ebf\u6027vs\u975e\u7ebf\u6027\u6a21\u578b (2)\uff1a\u62df\u5408\uff0c\u6548\u679c\u4e0e\u7279\u70b9.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600888","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:10","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"202","published_number":"202","title":"189 - 9 5.2 \u79bb\u6563\u5316\uff1a\u5e2e\u52a9\u7ebf\u6027\u56de\u5f52\u89e3\u51b3\u975e\u7ebf\u6027\u95ee\u9898.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600889","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"30:39","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"203","published_number":"203","title":"190 - 9 5.3.1 \u591a\u9879\u5f0f\u5bf9\u6570\u636e\u505a\u4e86\u4ec0\u4e48\uff1f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600890","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"26:27","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"204","published_number":"204","title":"191 - 9 5.3.2 \u591a\u9879\u5f0f\u56de\u5f52\u63d0\u5347\u6a21\u578b\u8868\u73b0.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600891","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"205","published_number":"205","title":"192 - 9 5.3.3 \u591a\u9879\u5f0f\u56de\u5f52\u7684\u53ef\u89e3\u91ca\u6027.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600892","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:52","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"206","published_number":"206","title":"193 - 9 5.3.4 \u591a\u9879\u5f0f\u56de\u5f52\uff1a\u7ebf\u6027\u8fd8\u662f\u975e\u7ebf\u6027\u6a21\u578b\uff1f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600893","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:41","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"207","published_number":"207","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602921","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"14","published_number":0,"title":"\u7b2c14\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1946226","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"208","published_number":"208","title":"194 - ===\u3010\u7ecf\u5178\u7b97\u6cd5\u301110 \u6734\u7d20\u8d1d\u53f6\u65af===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600894","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"01:31","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"209","published_number":"209","title":"195 - 10 1.1 \u4e3a\u4ec0\u4e48\u9700\u8981\u6734\u7d20\u8d1d\u53f6\u65af.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600895","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:03","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"210","published_number":"210","title":"196 - 10 1.2 \u6982\u7387\u8bba\u57fa\u7840 - \u8d1d\u53f6\u65af\u7406\u8bba\u7b49\u5f0f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600896","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"211","published_number":"211","title":"197 - 10 1.2.1 \u74e2\u866b\u51ac\u7720\uff1a\u7406\u89e3\u6761\u4ef6\u6982\u7387 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600897","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:12","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"212","published_number":"212","title":"198 - 10 1.2.1 \u74e2\u866b\u51ac\u7720\uff1a\u7406\u89e3\u6761\u4ef6\u6982\u7387 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600898","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:10","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"213","published_number":"213","title":"199 - 10 1.2.1 \u74e2\u866b\u51ac\u7720\uff1a\u7406\u89e3\u6761\u4ef6\u6982\u7387 (3).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600899","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:36","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"214","published_number":"214","title":"200 - 10 1.2.2 \u8d1d\u53f6\u65af\u7684\u6027\u8d28\u4e0e\u6700\u5927\u540e\u9a8c\u4f30\u8ba1.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600900","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:36","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"215","published_number":"215","title":"201 - 10 1.2.3 \u6c49\u5821\u79f0\u91cd\uff1a\u8fde\u7eed\u578b\u53d8\u91cf\u7684\u6982\u7387\u4f30\u8ba1 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600901","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:02","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"216","published_number":"216","title":"202 - 10 1.2.3 \u6c49\u5821\u79f0\u91cd\uff1a\u8fde\u7eed\u578b\u53d8\u91cf\u7684\u6982\u7387\u4f30\u8ba1 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600904","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:53","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"217","published_number":"217","title":"203 - 10 1.3 sklearn\u4e2d\u7684\u6734\u7d20\u8d1d\u53f6\u65af.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600902","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:34","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"218","published_number":"218","title":"204 - 10 2.1.1 \u8ba4\u8bc6\u9ad8\u65af\u6734\u7d20\u8d1d\u53f6\u65af.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600903","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"19:56","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"219","published_number":"219","title":"205 - 10 2.1.2 \u9ad8\u65af\u6734\u7d20\u8d1d\u53f6\u65af\u64c5\u957f\u7684\u6570\u636e\u96c6.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600906","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"220","published_number":"220","title":"206 - 10 2.1.3 \u63a2\u7d22\u8d1d\u53f6\u65af - \u62df\u5408\u4e2d\u7684\u7279\u6027\u4e0e\u8fd0\u884c\u901f\u5ea6 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600905","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"221","published_number":"221","title":"207 - 10 2.1.3 \u63a2\u7d22\u8d1d\u53f6\u65af - \u62df\u5408\u4e2d\u7684\u7279\u6027\u4e0e\u8fd0\u884c\u901f\u5ea6 (2) - \u4ee3\u7801\u8bb2\u89e3 .mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600908","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"222","published_number":"222","title":"208 - 10 2.1.3 \u63a2\u7d22\u8d1d\u53f6\u65af - \u62df\u5408\u4e2d\u7684\u7279\u6027\u4e0e\u8fd0\u884c\u901f\u5ea6 (3) - \u4ee3\u7801\u8bb2\u89e32.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600910","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:20","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"223","published_number":"223","title":"209 - 10 2.1.3 \u63a2\u7d22\u8d1d\u53f6\u65af - \u62df\u5408\u4e2d\u7684\u7279\u6027\u4e0e\u8fd0\u884c\u901f\u5ea6 (4) - \u5206\u6790\u4e0e\u7ed3\u8bba.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600909","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:47","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"224","published_number":"224","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602922","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"15","published_number":0,"title":"\u7b2c15\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1946227","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"225","published_number":"225","title":"210 - 10 2.2.1 \u6982\u7387\u7c7b\u6a21\u578b\u7684\u8bc4\u4f30\u6307\u6807 (1) - \u5e03\u91cc\u5c14\u5206\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600911","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:40","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"226","published_number":"226","title":"211 - 10 2.2.1 \u6982\u7387\u7c7b\u6a21\u578b\u7684\u8bc4\u4f30\u6307\u6807 (2) - \u5e03\u91cc\u5c14\u5206\u6570\u7684\u53ef\u89c6\u5316.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600912","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"227","published_number":"227","title":"212 - 10 2.2.2 \u6982\u7387\u7c7b\u6a21\u578b\u7684\u8bc4\u4f30\u6307\u6807 (3) - \u5bf9\u6570\u635f\u5931Log loss.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600963","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:12","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"228","published_number":"228","title":"213 - 10 2.2.3 \u6982\u7387\u7c7b\u6a21\u578b\u7684\u8bc4\u4f30\u6307\u6807 (4) - \u53ef\u9760\u6027\u66f2\u7ebf (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600964","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"229","published_number":"229","title":"214 - 10 2.2.3 \u6982\u7387\u7c7b\u6a21\u578b\u7684\u8bc4\u4f30\u6307\u6807 (5) - \u53ef\u9760\u6027\u66f2\u7ebf (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600965","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"27:04","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"230","published_number":"230","title":"215 - 10 2.2.4 \u6982\u7387\u7c7b\u6a21\u578b\u7684\u8bc4\u4f30\u6307\u6807 (6) - \u6982\u7387\u5206\u5e03\u76f4\u65b9\u56fe.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600966","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:33","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"231","published_number":"231","title":"216 - 10 2.2.5 \u6982\u7387\u7c7b\u6a21\u578b\u7684\u8bc4\u4f30\u6307\u6807 (7) - \u6982\u7387\u6821\u51c6 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600967","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:39","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"232","published_number":"232","title":"217 - 10 2.2.5 \u6982\u7387\u7c7b\u6a21\u578b\u7684\u8bc4\u4f30\u6307\u6807 (8) - \u6982\u7387\u6821\u51c6 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1600968","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"233","published_number":"233","title":"218 - 10 2.3.1 \u591a\u9879\u5f0f\u6734\u7d20\u8d1d\u53f6\u65af (1) - \u8ba4\u8bc6\u591a\u9879\u5f0f\u6734\u7d20\u8d1d\u53f6\u65af.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1601020","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:14","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"234","published_number":"234","title":"219 - 10 2.3.1 \u591a\u9879\u5f0f\u6734\u7d20\u8d1d\u53f6\u65af (2) - \u6570\u5b66\u539f\u7406.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1601112","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:50","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"235","published_number":"235","title":"220 - 10 2.3.1 \u591a\u9879\u5f0f\u6734\u7d20\u8d1d\u53f6\u65af (3) - sklearn\u4e2d\u7684\u7c7b\u4e0e\u53c2\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1601113","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:28","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"236","published_number":"236","title":"221 - 10 2.3.1 \u591a\u9879\u5f0f\u6734\u7d20\u8d1d\u53f6\u65af (4) - \u6765\u6784\u9020\u4e00\u4e2a\u5206\u7c7b\u5668\u5427.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1601114","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"237","published_number":"237","title":"222 - 10 2.3.2 \u4f2f\u52aa\u5229\u6734\u7d20\u8d1d\u53f6\u65af (1) - \u8ba4\u8bc6\u4f2f\u52aa\u5229\u6734\u7d20\u8d1d\u53f6\u65af.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602029","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"02:47","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"238","published_number":"238","title":"223 - 10 2.3.2 \u4f2f\u52aa\u5229\u6734\u7d20\u8d1d\u53f6\u65af (2) - sklearn\u4e2d\u7684\u7c7b\u4e0e\u53c2\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602030","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:08","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"239","published_number":"239","title":"224 - 10 2.3.2 \u4f2f\u52aa\u5229\u6734\u7d20\u8d1d\u53f6\u65af (3) - \u6784\u9020\u4e00\u4e2a\u5206\u7c7b\u5668.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602031","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:21","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"240","published_number":"240","title":"225 - 10 2.3.3 \u63a2\u7d22\u8d1d\u53f6\u65af - \u6734\u7d20\u8d1d\u53f6\u65af\u7684\u6837\u672c\u4e0d\u5747\u8861\u95ee\u9898.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602032","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"241","published_number":"241","title":"226 - 10 2.3.4 \u8865\u96c6\u6734\u7d20\u8d1d\u53f6\u65af - \u8865\u96c6\u6734\u7d20\u8d1d\u53f6\u65af\u7684\u539f\u7406 (1).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602033","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:36","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"242","published_number":"242","title":"227 - 10 2.3.4 \u8865\u96c6\u6734\u7d20\u8d1d\u53f6\u65af - \u8865\u96c6\u6734\u7d20\u8d1d\u53f6\u65af\u7684\u539f\u7406 (2).mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602034","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"243","published_number":"243","title":"228 - 10 2.3.4 \u8865\u96c6\u6734\u7d20\u8d1d\u53f6\u65af - \u5904\u7406\u6837\u672c\u4e0d\u5747\u8861\u95ee\u9898.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602035","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:40","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"244","published_number":"244","title":"229 - 10 3.1.1 \u6848\u4f8b\uff1a\u8d1d\u53f6\u65af\u505a\u6587\u672c\u5206\u7c7b (1) - \u5355\u8bcd\u8ba1\u6570\u5411\u91cf\u6280\u672f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602036","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:49","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"245","published_number":"245","title":"230 - 10 3.1.1 \u6848\u4f8b\uff1a\u8d1d\u53f6\u65af\u505a\u6587\u672c\u5206\u7c7b (2) - \u5355\u8bcd\u8ba1\u6570\u5411\u91cf\u7684\u95ee\u9898.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602037","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:35","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"246","published_number":"246","title":"231 - 10 3.1.2 \u6848\u4f8b\uff1a\u8d1d\u53f6\u65af\u505a\u6587\u672c\u5206\u7c7b (3) - TF-IDF\u6280\u672f.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602038","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"06:55","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"247","published_number":"247","title":"232 - 10 3.2 \u6848\u4f8b\uff1a\u8d1d\u53f6\u65af\u505a\u6587\u672c\u5206\u7c7b (4) - \u63a2\u7d22\u548c\u63d0\u53d6\u6587\u672c\u6570\u636e.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602174","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"248","published_number":"248","title":"233 - 10 3.3 \u6848\u4f8b\uff1a\u8d1d\u53f6\u65af\u505a\u6587\u672c\u5206\u7c7b (5) - \u4f7f\u7528TF-IDF\u7f16\u7801\u6587\u672c\u6570\u636e.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602175","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:38","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"249","published_number":"249","title":"234 - 10 3.4 \u6848\u4f8b\uff1a\u8d1d\u53f6\u65af\u505a\u6587\u672c\u5206\u7c7b (6) - \u7b97\u6cd5\u5e94\u7528\u4e0e\u6982\u7387\u6821\u51c6.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602176","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:29","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"250","published_number":"250","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602923","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"16","published_number":0,"title":"\u7b2c16\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1946228","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"251","published_number":"251","title":"235 - ===\u3010\u7ecf\u5178\u7b97\u6cd5\u301111 XGBoost ===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602224","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:58","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"252","published_number":"252","title":"236 - 11 1 XGBoost\u524d\u77bb\uff1a\u5b89\u88c5xgboost\uff0cxgboost\u5e93\u4e0eAPI.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602225","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:44","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"253","published_number":"253","title":"237 - 11 2.1 \u68af\u5ea6\u63d0\u5347\u6811(1)\uff1a\u96c6\u6210\u7b97\u6cd5\u56de\u987e\uff0c\u91cd\u8981\u53c2\u6570n_estimators.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602226","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:14","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"254","published_number":"254","title":"238 - 11 2.1 \u68af\u5ea6\u63d0\u5347\u6811(2)\uff1a\u53c2\u6570n_estimators\u4e0b\u7684\u5efa\u6a21.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602227","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:23","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"255","published_number":"255","title":"239 - 11 2.1 \u68af\u5ea6\u63d0\u5347\u6811(3)\uff1a\u53c2\u6570n_estimators\u7684\u5b66\u4e60\u66f2\u7ebf.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602228","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"13:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"256","published_number":"256","title":"240 - 11 2.1 \u68af\u5ea6\u63d0\u5347\u6811(4)\uff1a\u57fa\u4e8e\u65b9\u5dee-\u504f\u5dee\u56f0\u5883\u6539\u8fdb\u7684\u5b66\u4e60\u66f2\u7ebf.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602389","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:38","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"257","published_number":"257","title":"241 - 11 2.2 \u68af\u5ea6\u63d0\u5347\u6811(5)\uff1a\u63a7\u5236\u6709\u653e\u56de\u968f\u673a\u62bd\u6837\uff0c\u53c2\u6570subsample.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602390","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:17","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"258","published_number":"258","title":"242 - 11 2.3 \u68af\u5ea6\u63d0\u5347\u6811(6)\uff1a\u8fed\u4ee3\u51b3\u7b56\u6811\uff1a\u91cd\u8981\u53c2\u6570eta.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602391","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:51","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"259","published_number":"259","title":"243 - 11 2.3 \u68af\u5ea6\u63d0\u5347\u6811(7)\uff1a\u8fed\u4ee3\u51b3\u7b56\u6811\uff1a\u91cd\u8981\u53c2\u6570eta.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602392","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:37","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"260","published_number":"260","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602924","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"17","published_number":0,"title":"\u7b2c17\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1946229","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"261","published_number":"261","title":"244 - 11 3.1 XGBoost\u7684\u667a\u6167 (1)\uff1a\u9009\u62e9\u5f31\u8bc4\u4f30\u5668\uff1a\u91cd\u8981\u53c2\u6570booster.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602393","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"04:40","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"262","published_number":"262","title":"245 - 11 3.2 XGBoost\u7684\u667a\u6167 (2)\uff1aXGBoost\u7684\u76ee\u6807\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602576","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"28:01","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"263","published_number":"263","title":"246 - 11 3.3 XGBoost\u7684\u667a\u6167 (3)\uff1a\u6c42\u89e3XGBoost\u7684\u76ee\u6807\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602577","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"18:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"264","published_number":"264","title":"247 - 11 3.3 XGBoost\u7684\u667a\u6167 (4)\uff1a\u6c42\u89e3XGboost\u7684\u76ee\u6807\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602579","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"05:46","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"265","published_number":"265","title":"248 - 11 3.4 XGBoost\u7684\u667a\u6167 (5)\uff1a\u53c2\u6570\u5316\u51b3\u7b56\u6811\uff0c\u6b63\u5219\u5316\u53c2\u6570lambda.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602580","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"16:09","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"266","published_number":"266","title":"249 - 11 3.5 XGBoost\u7684\u667a\u6167 (6)\uff1a\u5efa\u7acb\u76ee\u6807\u51fd\u6570\u4e0e\u6811\u7ed3\u6784\u7684\u76f4\u63a5\u8054\u7cfb.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602581","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:24","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"267","published_number":"267","title":"250 - 11 3.5 XGBoost\u7684\u667a\u6167 (7)\uff1a\u6700\u4f18\u6811\u7ed3\u6784\uff0c\u6c42\u89e3w\u548cT.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602582","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"20:32","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"268","published_number":"268","title":"251 - 11 3.6 XGBoost\u7684\u667a\u6167 (8)\uff1a\u8d2a\u5a6a\u7b97\u6cd5\u6c42\u89e3\u6700\u4f18\u6811.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602583","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:05","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"269","published_number":"269","title":"252 - 11 3.7 XGBoost\u7684\u667a\u6167 (9)\uff1a\u8ba9\u6811\u505c\u6b62\u751f\u957f\uff1a\u91cd\u8981\u53c2\u6570gamma.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602584","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"34:11","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"270","published_number":"270","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602925","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"18","published_number":0,"title":"\u7b2c18\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1946230","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"271","published_number":"271","title":"253 - 11 4.1 XGBoost\u5e94\u7528 (1)\uff1a\u51cf\u8f7b\u8fc7\u62df\u5408\uff1aXGBoost\u4e2d\u7684\u526a\u679d\u53c2\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602607","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"08:42","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"272","published_number":"272","title":"254 - 11 4.1 XGBoost\u5e94\u7528 (2)\uff1a\u4f7f\u7528xgb.cv\u8fdb\u884c\u526a\u679d\u53c2\u6570\u7684\u8c03\u53c2.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602612","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"35:15","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"273","published_number":"273","title":"255 - 11 4.2 XGBoost\u5e94\u7528 (3)\uff1a\u4f7f\u7528pickle\u4fdd\u5b58.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602622","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"10:46","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"274","published_number":"274","title":"256 - 11 4.2 XGBoost\u5e94\u7528 (4)\uff1a\u4f7f\u7528joblib\u4fdd\u5b58\u597dXGB\u6a21\u578b.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602627","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"07:39","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"275","published_number":"275","title":"257 - 11 4.3 XGBoost\u5e94\u7528 (5)\uff1aXGB\u5206\u7c7b\u4e2d\u7684\u6837\u672c\u4e0d\u5e73\u8861\u95ee\u9898.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602628","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"12:18","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"276","published_number":"276","title":"258 - 11 4.3 XGBoost\u5e94\u7528 (6)\uff1aXGB\u5206\u7c7b\u4e2d\u7684\u6837\u672c\u4e0d\u5e73\u8861\u95ee\u9898.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602629","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:48","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"277","published_number":"277","title":"259 - 11 4.4 XGBoost\u5e94\u7528 (7)\uff1aXGB\u5e94\u7528\u4e2d\u7684\u5176\u4ed6\u95ee\u9898.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602630","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"09:18","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"278","published_number":"278","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602926","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"unit","number":"19","published_number":0,"title":"\u7b2c19\u5929\u7684\u5b66\u4e60\u5185\u5bb9\u300c\u5efa\u8bae\u6309\u8ba1\u5212\u5b8c\u6210\u6bcf\u5929\u4efb\u52a1\u300d\u4ee5\u4fdd\u8bc1\u6700\u7ec8\u76ee\u6807\u6309\u8ba1\u5212\u8fbe\u6210\uff01\uff01\uff01","result":"","resultStatus":"","lock":"","status":"published","taskId":"1946231","isOptional":"0","type":"unit","isTaskFree":"","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":"","isSingleTaskLesson":false},{"itemType":"task","number":"279","published_number":"279","title":"260 - ===\u3010\u6df1\u5ea6\u5b66\u4e60\u3011sklearn\u4e2d\u7684\u795e\u7ecf\u7f51\u7edc===.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602631","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:24","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"280","published_number":"280","title":"261 - 2.1 \u56de\u5f52\u5355\u5c42\u795e\u7ecf\u7f51\u7edc\uff1a\u7ebf\u6027\u56de\u5f52.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602795","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"11:21","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"281","published_number":"281","title":"262 - 2.2 \u4e8c\u5206\u7c7b\u5355\u5c42\u795e\u7ecf\u7f51\u7edc\uff1asigmoid\u51fd\u6570\u4e0e\u9636\u8dc3\u51fd\u6570.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602796","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"15:43","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"282","published_number":"282","title":"263 - 2.3 \u591a\u5206\u7c7b\u5355\u5c42\u795e\u7ecf\u7f51\u7edc\uff1asoftmax\u56de\u5f52.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602797","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"21:24","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"283","published_number":"283","title":"264 - 2.4 \u56de\u5f52vs\u4e8c\u5206\u7c7bvs\u591a\u5206\u7c7b.mp4","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602798","isOptional":"0","type":"video","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"03:50","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true},{"itemType":"task","number":"284","published_number":"284","title":"\u6bcf\u65e5\u4f5c\u4e1a","result":"","resultStatus":"","lock":true,"status":"published","taskId":"1602927","isOptional":"0","type":"testpaper","isTaskFree":"0","watchLimitRemaining":false,"replayStatus":"","activityStartTimeStr":"","activityStartTime":"","activityLength":"","activityEndTime":"","fileStorage":"","isTaskTryLookable":0,"isSingleTaskLesson":true}]
课程特色
图文(1)
视频(264)
考试(19)
