qdap (version 0.2.5)

strip: Strip Text

Description

Strip text of unwanted characters.

Usage

strip(x, char.keep = "~~", digit.remove = TRUE,
    apostrophe.remove = TRUE, lower.case = TRUE)

Arguments

x

The text variable.

char.keep

A character vector of symbols (i.e., punctuation) that strip should keep. The default is to strip every symbol except apostrophes and a double tilde "~~". The double tilde

digit.remove

logical. If TRUE strips digits from the text.

apostrophe.remove

logical. If TRUE removes apostrophes from the output.

lower.case

logical. If TRUE forces all alpha characters to lower case.

Value

• Returns a vector of text that has been stripped of unwanted characters.

See Also

stopwords

Examples

DATA$state #no strip applied
strip(DATA$state)
strip(DATA$state, apostrophe.remove=FALSE)
strip(DATA$state, char.keep = c("?", "."))