2017)

tf_idf: how important is a word in a doc, relative to a set of docs (tf*idf)

1 2	tf_idf(doc, docs, term, lower = TRUE, toss_punct = TRUE, toss_num = TRUE, gram_size = 1)

num, term freq times inv doc freq

1	tf_idf(doc="im tim", docs=c("it is tim", "im tim"), term="tim")

lefft/lefftpack documentation built on May 8, 2019, 1:13 p.m.

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