get_tf
From text2vec v0.3.0
by Dmitriy Selivanov
Term-frequency scaling matrix
This function creates a term-frequency (TF) scaling matrix from a document-term matrix.
Usage
get_tf(dtm, norm = c("l1", "l2"))Arguments
- dtm
- a document-term matrix of class
dgCMatrixordgTMatrix. - norm
characterthe method used to normalize term vectors."l1"by default, i.e., scale by the number of words in the document.
Value
ddiMatrix TF scaling diagonal sparse matrix.
See Also
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