bag_o_words: Bag of Words

In trinker/qdap: Bridging the Gap Between Qualitative Data and Quantitative Analysis

Description

bag_o_words - Reduces a text column to a bag of words.

unbag - Wrapper for paste(collapse=" ") to glue words back into strings.

breaker - Reduces a text column to a bag of words and qdap recognized end marks.

word_split - Reduces a text column to a list of vectors of bag of words and qdap recognized end marks (i.e., ".", "!", "?", "*", "-").

Usage

bag_o_words(text.var, apostrophe.remove = FALSE, ...)

unbag(text.var, na.rm = TRUE)

breaker(text.var)

word_split(text.var)

Arguments

text.var	The text variable.
apostrophe.remove	logical. If TRUE removes apostrophe's from the output.
na.rm	logical. If TRUE NAs are removed before pasting.
...	Additional arguments passed to strip.

Value

Returns a vector of stripped words.

unbag - Returns a string.

breaker - Returns a vector of striped words and qdap recognized endmarks (i.e., ".", "!", "?", "*", "-").

Examples

## Not run: 
bag_o_words("I'm going home!")
bag_o_words("I'm going home!", apostrophe.remove = TRUE)
unbag(bag_o_words("I'm going home!"))

bag_o_words(DATA$state)
by(DATA$state, DATA$person, bag_o_words)
lapply(DATA$state,  bag_o_words)

breaker(DATA$state)
by(DATA$state, DATA$person, breaker)
lapply(DATA$state,  breaker)
unbag(breaker(DATA$state))

word_split(c(NA, DATA$state))
unbag(word_split(c(NA, DATA$state)))

## End(Not run)

trinker/qdap documentation built on Sept. 30, 2020, 6:28 p.m.