Wow, wonderful! Thank you for all the response -- and so quick!
ac
On Wed, Mar 17, 2010 at 2:19 PM, Sarah Goslee
wrote:
> How about this? It changes a column to a factor, and
> optionally renames it.
>
> facts <- function(meta, mod, newmodname) {
> meta[,mod] <- factor(meta[,mod])
> if(!
Try this:
transform(DF, newA = factor(a), a = NULL)
On Wed, Mar 17, 2010 at 4:06 PM, AC Del Re wrote:
> Hi All,
>
> Im interested in creating a function that will convert a variable within a
> data.frame to a factor while retaining the original name (yes, I know that I
> can just: var <-factor(
How about this? It changes a column to a factor, and
optionally renames it.
facts <- function(meta, mod, newmodname) {
meta[,mod] <- factor(meta[,mod])
if(!missing(newmodname)) {
colnames(meta)[colnames(meta) == mod] <- newmodname
}
meta
}
> testdata <- data.frame(a=c(1,2,3), b=
Hi All,
Im interested in creating a function that will convert a variable within a
data.frame to a factor while retaining the original name (yes, I know that I
can just: var <-factor(var) but I need it as a function for other
purposes). e.g.:
# this was an attempt but fails.
facts <- function(
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