is.within_n_preceding_words: Check if Element Is Within N Preceding Words

In trinker/discon: Discourse Connectors Analysis

Description

Logical check of each element in a vector to determine if an element occurs within n preceding words.

Usage

is.within_n_preceding_words(x, regex.term, n = 0)

Arguments

x	A vector of elements.
regex.term	A regular expression that represents a word or term.
n	A max number of words (defined as ([a-zA-Z-]+,*\s+)) that regex.term must occur before.

Value

Returns a logical vector equal in length to x.

Examples

x <- c(
    "I like dogs and cats",
    "I do not like robots though",
    "Like I care."
)

is.within_n_preceding_words(x, "I", 0)
is.within_n_preceding_words(x, "I", 1)
is.within_n_preceding_words(x, "like", 4)
is.within_n_preceding_words(x, "[Ll]ike", 4)

trinker/discon documentation built on May 31, 2019, 8:42 p.m.