2017)

inverse document frequency: log of num docs / num docs w term

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

num, the inverse doc freq

1	idf(docs=c("hey im tim", "me too!", "tim tim is tim",) term="tim")

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

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