machine-learning - tfidf.idf_ 在代码中这是什么意思

Question

tfidf = TfidfVectorizer(lowercase=False, ) tfidf.fit_transform(问题)

dict key:word 和 value:tf-idf 分数

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

标签： machine-learningscikit-learnnlp

Answer 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.