[R] Vectorize multiple loops

[Henrique Dallazuanna]

Try this:

 aperm(outer(i %o% k, j, FUN = "-"), c(1, 3, 2))

On Fri, Jan 29, 2010 at 9:58 AM, Kohleth Chia <kohleth at gmail.com> wrote:
> Hi,
>
> How can we vectorize multiple for loops?
>
> E.g. how do you vectorize this:
>
> for (i in 1:10){
>  for(j in 1:25){
>  for(k in 1:19){
>   x[i,j,k]=i*k-j
>  }
>  }
> }
>
> THanks
> ------------
> KC
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O