Description Usage Arguments Value Author(s) Examples
Tools for manipulating (sparse) count matrices.
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x |
A |
byrow |
Whether to normalize by row or column totals. |
normalize
divides the counts by row or column totals, and stm_tfidf
returns a matrix with entries x_{ij} \log[ n/(d_j+1) ], where x_{ij} is term-j frequency in document-i,
and d_j is the number of documents containing term-j.
Matt Taddy mataddy@gmail.com
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