xgboost特徵重要性指標: weight, gain, cover

官方解釋 Python中的xgboost可以通過get_fscore獲取特徵重要性，先看看官方對於這個方法的說明: get_score(fmap=’’, importance_type=‘weight’) Get feature importance of each feature. Importance type can be defined as: ‘weight’: the number o

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