参数名称

初始值

调参范围

结果

调参后的AUC

colsample_bytree

1

[1]

1

0.601

Min_child_weight

1

[1]

1

0.613

Max_depth

6

[6, 5, 4]

4

0.620

gamma

0.3

[0.3, 0.2, 0.1]

0.1

0.643

subsample

1

[1]

1

0.723

learning_rate

0.3

[0.3, 0.2, 0.1]

0.1

0.745