参数名称

初始值

调参范围

结果

调参后的AUC

colsample_bytree

1

[1]

1

0.653

Min_child_weight

1

[1]

1

0.701

Max_depth

6

[6, 5, 4]

5

0.709

gamma

0.3

[0.3, 0.2, 0.1]

0.2

0.721

subsample

1

[1]

1

0.772

learning_rate

0.3

[0.3, 0.2, 0.1]

0.1

0.786