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target encoding是近年来在kaggle大赛中非常实用的针对针对类别特征一种处理方法代码示例# 2021 爱奇艺大赛# using target encoding# Tutorial: https://www.kaggle.com/ryanholbrook/target-encodingdef target_encoding(name, df, m=1): df[name] = df[name].str.split(";") df = df.explode(name)