Create vocabulary from abstracts

Create vocabulary from abstracts

Usage

get_vocabulary(
  abstracts,
  term_count_min = 2,
  doc_proportion_min = 0,
  doc_proportion_max = 1
)

Arguments

abstracts

An abstracts object build with get_abstracts function

term_count_min

The minimum number of counts for an specific term in vocabulary

doc_proportion_min

The minimum proportion of documents which should contain term

doc_proportion_max

The maximum proportion of documents which should contain term.

Value

A data.table with the vocabulary pruned by the term_count

Examples

abstracts <- get_abstracts(lacsSample)
v <- get_vocabulary(abstracts, term_count_min = 10)