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 |