Hi Sören

Somehow this feels dirty, but you can do

fun <- function(x){
  result <- capture.output(print(substitute(x)))
 return(result);
}

-Ista

On Fri, Apr 16, 2010 at 5:26 AM, <soeren.vogel@eawag.ch> wrote:

> Hello,
>
> how can I return the name of a variable, say "a$b", from a function?
>
> fun <- function(x){
>  return(substitute(x));
> }
> a  <- data.frame(b=1:10);
> fun(a$b)
>
> ... returns a$b, but this is a type language, thus I can't use it as a
> character string, can I? How?
>
> Thanks for help,
>
> Sören
>
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>



-- 
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org

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