Ecfun (version 0.2-0)

parseDollars: 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

Value

Numeric vector converted from x.

Details

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

See Also

gsub as.numeric parseCommas

Examples

# NOT RUN {
##
## 1.  a character vector
##
X2 <- c('-$2,500', '$5,000.50')
x2 <- parseDollars(X2)

# }
# NOT RUN {
all.equal(x2, c(-2500, 5000.5))
# }
# NOT RUN {
##
## A data.frame
##
chDF <- data.frame(let=letters[1:2], Dol=X2, dol=x2)
numDF <- parseCommas(chDF)

chkDF <- chDF
chkDF$Dol <- x2
# }
# NOT RUN {
all.equal(numDF, chkDF)
# }