[R] Apply: Output matrix orientation

[Hadley Wickham]

Use aaply from the plyr package.

Hadley

On Thu, May 27, 2010 at 6:24 AM, Johannes Graumann
<johannes_graumann at web.de> wrote:
> Hi,
>
> Why is the result of below "apply" call rotated with respect to the input
> and how to remedy this?
>
> Thanks, Joh
>
> .ZScore <- function(input){
>  #cat(input,"\n")
>  z <- (input - mean(input))/sd(input)
>  return(z)
> }
>
> apply(data.frame(x1=c(1,2,3,4,5),x2=c(2,3,4,5,6),x3=c(3,4,5,6,7)),1,.ZScore)
>
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-- 
Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University
http://had.co.nz/