[R] How to return multiple values in a function
Hans-Joerg Bibiko
bibiko at eva.mpg.de
Mon Jun 23 10:33:32 CEST 2008
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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