tokens_group: Recombine documents tokens by groups

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

Description

Recombine documents tokens by groups

Usage

tokens_group(x, groups = NULL, fill = FALSE)

Arguments

x	tokens object
groups	either: a character vector containing the names of document variables to be used for grouping; or a factor or object that can be coerced into a factor equal in length or rows to the number of documents. NA values of the grouping value are dropped. See groups for details.

Examples

# dfm_group examples
corp <- corpus(c("a a b", "a b c c", "a c d d", "a c c d"),
                   docvars = data.frame(grp = c("grp1", "grp1", "grp2", "grp2")))
toks <- tokens(corp)
quanteda.core:::tokens_group(toks, groups = "grp")
quanteda.core:::tokens_group(toks, groups = c(1, 1, 2, 2))
quanteda.core:::tokens_group(toks, groups = factor(c(1, 1, 2, 2), levels = 1:3))

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