Table 2 The value process of MGA
Parameter adjustment order | Parameter name | Parameter adjustment standard |
|---|---|---|
① | max_depth, min_child_weight | Choose the best two groups |
② | gamma | Choose the best two groups |
③ | subsample, colsample_bytree | Choose the best two groups |
④ | reg_alpha、reg_lambda | Choose the best one groups |
⑤ | learning_rate | Choose the best one groups |
⑥ | num_boost_round | The selection of num _ boost _ round is to make training _ AUC > 0.9995 |