[R] Transpose array

Peter Dalgaard p.dalgaard at biostat.ku.dk
Tue Feb 24 19:20:07 CET 2009


MarcioRibeiro wrote:
> Hi Listers,
> Is there a way that I can transpose an array...
> Suppose I have the following array...
> 
> x<-array(c(1,2,3,4),dim=c(1,2,2))
> , , 1
>      [,1] [,2]
> [1,]    1    2
> , , 2
>      [,1] [,2]
> [1,]    3    4
> 
> And I would like to get the following result...
> , , 1
>      [,1] 
> [1,]    1
> [,2]    2
> , , 2
>      [,1] [,2]
> [1,]    3
> [,2]    4
> 
> Thanks in advance,
> Marcio

I think you're looking for

aperm(x,c(2,1,3))

-- 
    O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
   c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
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~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)              FAX: (+45) 35327907



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