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arosh/README.txt

Last active November 4, 2015 13:12
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Document-Term Matrix
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README.txt
LabelBinarizer : ラベル → OneHot表現
LabelEncoder : ラベル → 0, 1, ..., N-1
OneHotEncoder : 0, 1, ..., N-1 → OneHot表現
https://github.com/recruit-tech/summpy/blob/master/summpy/lexrank.py#L34
CountVectorizer : テキスト → document term matrix
TfidfTransformer : document term matrix → IDF重み，l2正規化
TfidfVectorizer : テキスト → IDF重み，l2正規化
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