Hi Jonathan,
On Mon, Nov 21, 2011 at 5:18 PM, Jonathan Greenberg <j...@illinois.edu> wrote:
> This is probably a very noobish question, but if I want to create a
> function that allows an undetermined number of, say, numeric vectors to be
> fed to it, I would use:
>
> myfunction = function(...)
> {
> # Do something
>
> }
>
> Right? If so, how do I a) count the number of vectors "fed" to the
> function, and b) how do I treat those vectors as variables, e.g. for the
> call:
>
> myfunction(c(1:10),c(2:11),c(3:13))
`args <- list(...)` will create a list out of the "things" passed
through in `...`
For example:
myfunction <- function(...) {
args <- list(...)
length(args) ## this is how many things were passed in
names(args) ## these are the variable names used
## etc.
}
HTH,
-steve
--
Steve Lianoglou
Graduate Student: Computational Systems Biology
| Memorial Sloan-Kettering Cancer Center
| Weill Medical College of Cornell University
Contact Info: http://cbio.mskcc.org/~lianos/contact
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