[R] Warning message when returning multiple items

Gavin Simpson gavin.simpson at ucl.ac.uk
Mon Jan 30 19:54:17 CET 2006


On Mon, 2006-01-30 at 10:35 -0800, Krish Krishnan wrote:
>  In my function I am trying to return multiple computed items
> (separated by commas).  The function does what I need, but I get a
> warning message that multi-argument returns are deprecated.  Is this a
> warning I should heed, or is there a more elegant and warning free way
> of achieving the same end?  Thanks

foo <- function(x)
  {
     x5 <- x * 5
     rootx <- sqrt(x)
     squaredx <- x^2
     return(list(x5 = x5, rootx = rootx, squaredx = squaredx))
  }

> foo(9)
$x5
[1] 45

$rootx
[1] 3

$squaredx
[1] 81

HTH

G

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Gavin Simpson                     [T] +44 (0)20 7679 5522
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