parseDollars {Ecdat}

R Documentation

Convert character string with Dollar signs and commas to numerics

Description

as.numeric of character strings after suppressing commas and dollar signs. This is a special case of parseCommas.

Usage

parseDollars(x, pattern='\\$|,', replacement='', ...)

Arguments

x	vector of character strings to be converted to numerics
pattern	regular expression to be replaced by replacement
replacement	Character string to substitute for each occurrence of pattern
...	optional arguments to pass to gsub

Details

as.numeric(gsub(x, ...)). See also parseCommas.

Value

Numeric vector converted from x.

Author(s)

Spencer Graves

See Also

gsub as.numeric parseCommas

Examples

##
## 1.  a character vector
##
X2 <- c('-$2,500', '$5,000.50')
x2 <- parseDollars(X2)


all.equal(x2, c(-2500, 5000.5))


##
## A data.frame
##
chDF <- data.frame(let=letters[1:2], Dol=X2, dol=x2)
numDF <- parseCommas(chDF)

chkDF <- chDF
chkDF$Dol <- x2

all.equal(numDF, chkDF)

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