getvocab: Extract words and phrases from a corpus

In fdm2id: Data Mining and R Programming for Beginners

Extract words and phrases from a corpus

Description

Extract words and phrases from a corpus of documents.

Usage

getvocab(
  corpus,
  mincount = 5,
  minphrasecount = NULL,
  ngram = 1,
  lang = "en",
  stopwords = lang,
  ...
)

Arguments

corpus	The corpus of documents (a vector of characters).
mincount	Minimum word count to be considered as frequent.
minphrasecount	Minimum collocation of words count to be considered as frequent.
ngram	maximum size of n-grams.
lang	The language of the documents (NULL if no stemming).
stopwords	Stopwords, or the language of the documents. NULL if stop words should not be removed.
...	Other parameters.

Value

The vocabulary used in the corpus of documents.

See Also

plotzipf, stopwords, create_vocabulary

Examples

## Not run: 
text = loadtext ("http://mattmahoney.net/dc/text8.zip")
vocab1 = getvocab (text) # With stemming
nrow (vocab1)
vocab2 = getvocab (text, lang = NULL) # Without stemming
nrow (vocab2)

## End(Not run)

fdm2id documentation built on July 9, 2023, 6:05 p.m.