pattern2list: Convert various input as pattern to a vector used in...

In koheiw/quanteda.core: Quantitative Analysis of Textual Data

Description

Convert various input as pattern to a vector used in tokens_select, tokens_compound and kwic.

Usage

pattern2list(
  x,
  types,
  valuetype,
  case_insensitive,
  concatenator = "_",
  levels = 1,
  remove_unigram = FALSE,
  keep_nomatch = FALSE
)

Arguments

valuetype	the type of pattern matching: "glob" for "glob"-style wildcard expressions; "regex" for regular expressions; or "fixed" for exact matching. See valuetype for details.
case_insensitive	logical; if TRUE, ignore case when matching a pattern or dictionary values
concatenator	concatenator that join multi-word expression in tokens object
levels	only used when pattern is a dictionary
remove_unigram	ignore single-word patterns if TRUE

See Also

pattern2id()

koheiw/quanteda.core documentation built on Sept. 21, 2020, 3:44 p.m.