replace_abbreviation function

Replace Abbreviations

This function replaces abbreviations with long form.

replace_abbreviation(
  text.var,
  abbreviation = qdapDictionaries::abbreviations,
  replace = NULL,
  ignore.case = TRUE
)

Arguments

• text.var: The text variable.
• abbreviation: A two column key of abbreviations (column 1) and long form replacements (column 2) or a vector of abbreviations. Default is to use qdapDictionaries's abbreviations data set.
• replace: A vector of long form replacements if a data frame is not supplied to the abbreviation argument.
• ignore.case: logical. If TRUE replaces without regard to capitalization.

Returns

Returns a vector with abbreviations replaced.

Examples

## Not run:

x <- c("Mr. Jones is here at 7:30 p.m.",  
    "Check it out at www.github.com/trinker/qdap",
    "i.e. He's a sr. dr.; the best in 2012 A.D.",
    "the robot at t.s. is 10ft. 3in.")

replace_abbreviation(x)

#create abbreviation and replacement vectors
abv <- c("in.", "ft.", "t.s.")
repl <- c("inch", "feet", "talkstats")

replace_abbreviation(x, abv, repl)

(KEY <- rbind(abbreviations, data.frame(abv = abv, rep = repl)))
replace_abbreviation(x, KEY)
## End(Not run)

See Also

bracketX, qprep, replace_contraction, replace_number, replace_symbol