【问题标题】:tfidf.idf_ what is meaning of this in the code [closed]tfidf.idf_在代码中这是什么意思[关闭]
【发布时间】:2021-05-30 00:27:57
【问题描述】:

tfidf = TfidfVectorizer(小写=假, ) tfidf.fit_transform(问题)

dict key:word 和 value:tf-idf 分数

word2tfidf = dict(zip(tfidf.get_feature_names(), tfidf.idf_))

【问题讨论】:

    标签: machine-learning scikit-learn nlp


    【解决方案1】:

    https://scikit-learn.org/stable/modules/generated/sklearn.feature_extraction.text.TfidfVectorizer.html

    idf_: array of shape (n_features,)
    The inverse document frequency (IDF) vector; only defined if use_idf is True.
    

    【讨论】:

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