[R] Dynamic string as element name in a list

Paul Lemmens paul.lemmens at gmail.com
Thu Mar 27 15:10:58 CET 2008


Hi Henrique,

On Thu, Mar 27, 2008 at 2:52 PM, Henrique Dallazuanna <wwwhsd at gmail.com> wrote:
> Try this:
>
>  foo <- function(x)
>  {
>  clipname <- "LK"
>  out <- list()
>  out[[clipname]] <- rnorm(5)
>  return(out)
> }
That easy ... Hadn't thought of it.  But now I have a refinement in foo()

foo <- function(x) {
out <- list()
lapply(x$clipno, function(c) {
  clipname <- x$clipname
  # stuff
  out[[clipname]] <- rnorm(5)
})
return(out)
}

But this returns the/an empty list?


Best regards,
Paul Lemmens



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