Re: [R] How to return multiple values in a function

From: Hans-Joerg Bibiko <bibiko_at_eva.mpg.de>
Date: Mon, 23 Jun 2008 10:33:32 +0200

On 23 Jun 2008, at 10:23, Gundala Viswanath wrote:
> I apologize for this newbie question. But I can't seem
> to find in R online manual.
>
> 1. How can I return two values in a function?
> 2. How can I capture the values again of this function?
>
> myfunc <- function (array) {
>
> # do something with array
> # get something assign to "foo" and "bar"
> print(foo)
> print(bar)
>
> # how can I return "foo" and "bar" ?
> }
>
> # Is this the way to capture it?
>
> (nfoo,nbar) <- myfunc(some_array)
>

One way would be :

myfunc <- function (array) {

   # do something with array
   # get something assign to "foo" and "bar"    result <- c(foo, bar)
   return(result)
  # how can I return "foo" and "bar" ?
}

res <- myfunc(some_array)
res[1]
[1] "foo.stuff"
res[2]
[1] "bar.stuff"

--Hans



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