prune_vocabulary: Prune vocabulary

In text2vec: Modern Text Mining Framework for R

Prune vocabulary

Description

This function filters the input vocabulary and throws out very frequent and very infrequent terms. See examples in for the vocabulary function. The parameter vocab_term_max can also be used to limit the absolute size of the vocabulary to only the most frequently used terms.

Usage

prune_vocabulary(vocabulary, term_count_min = 1L, term_count_max = Inf,
  doc_proportion_min = 0, doc_proportion_max = 1, doc_count_min = 1L,
  doc_count_max = Inf, vocab_term_max = Inf)

Arguments

vocabulary	a vocabulary from the vocabulary function.
term_count_min	minimum number of occurences over all documents.
term_count_max	maximum number of occurences over all documents.
doc_proportion_min	minimum proportion of documents which should contain term.
doc_proportion_max	maximum proportion of documents which should contain term.
doc_count_min	term will be kept number of documents contain this term is larger than this value
doc_count_max	term will be kept number of documents contain this term is smaller than this value
vocab_term_max	maximum number of terms in vocabulary.

See Also

vocabulary

text2vec documentation built on Nov. 9, 2023, 9:07 a.m.