| 参数 | 数值 | 参数 | 数值 | 
| Learning_rate | 0.005 | Feature_fraction | 0.8 | 
| N_estimator | 927 | Num_leaves | 10 | 
| Max_depth | −1 | Max_bin | 245 | 
| Bagging_fraction | 0.6 | Bagging_freq | 0 |