我不知道如何组合TF-IDF结果并将其用于数学信息增益的概念。 有人可以为我解释一下吗？
您可以使用sklearn FeatureUnion https://scikit-learn.org/stable/modules/generated/sklearn.pipeline.FeatureUnion.html#sklearn.pipeline.FeatureUnion 和sklearn hstack https://docs.scipy.org/doc/scipy/reference/generated/scipy.sparse.hstack.html
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