[R] accessing return variables from a function

[David Winsemius]

On Jul 9, 2010, at 5:20 AM, Noah Silverman wrote:

> Hi,
>
> I am trying to figure out a "short" way to access two values output  
> from
> the sort function.
>
>> x <- c(3,4,3,6,78,3,1,2)
>> sort(x, index.return=T)
> $x
> [1]  1  2  3  3  3  4  6 78
>
> $ix
> [1] 7 8 1 3 6 2 4 5
>
>
> It would be great to do something like this (doesn't work.):

 > yoursort <- function(x) {sx <- sort(x, index.return=T); return( c(sx 
$x, sx$ix) )}
 > yoursort(x)
  [1]  1  2  3  3  3  4  6 78  7  8  1  3  6  2  4  5

> c(y, indexes) <- sort(x, index.return=T)
>
> But that doesn't work.
>
> I CAN grab the output of sort in a variable and then access it twice  
> to
> get the values, but that seems wasteful.
>
> Any  ideas?
>

David Winsemius, MD
West Hartford, CT