转自:https://segmentfault.com/a/1190000014040317 整体: # 1.调试n_estimators cv_params = {'n_estimators': [550, 575, 600, 650, 675]} other_params = {'learning_rate': 0.1, 'n_estimators': 600, 'max_depth': 5, 'min_child_weight': 1, 'seed': 0, 'subsample': 0.…