[R] capture numeric(0) with if statement

[Gabor Grothendieck]

Try:

if (identical(test, numeric(0))) ...

On 7/23/07, Alexander.Herr at csiro.au <Alexander.Herr at csiro.au> wrote:
> Hi List,
>
> I am trying to capture the numeric(0) with an if statement,
> unsucessfully:
>
> test<-numeric(0)
>
> if(test == numeric(0)) print("test is", test)
>
> I get: Error in if (test == numeric(0)) print("test is", test) :
>        argument is of length zero
>
> How can I capture the numeric(0) condition?
>
> Any enlightment appreciated
> Cheers
> Herry
>
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