z*********o 发帖数: 541 | 1 在enterprise miner 用decision tree做一个project,看到设定training, validation
,test的比例,不是很清楚这三个作用,could you please explain them ? thank you | s*********e 发帖数: 1051 | 2 check the book "elements of statistical learning" by Hastie
usually the proporttion among these 3 sets are 2:1:1, suggested by book. | A*******r 发帖数: 194 | 3 把你数据分三份。
Training 用来建model.
Validation 用来调整model参数防止Overfit
Test 就是用来检验你的model的。 | z*********o 发帖数: 541 | |
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