lightgbm有很多重复的参数,让刚接触的人摸不着头脑。
可参考官方文档,https://lightgbm.readthedocs.io/en/latest/Parameters.html
boosting_type/boosting 类型
n_estimators/num_iterations/num_round/num_boost_round 子树个数
subsample/bagging_fraction 样本采样比例
subsample_freq/bagging_freq 样本采样,0 means disable bagging; k means perform bagging at every k iteration
colsample_bytree/feature_fraction/subfeature 特征采样
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