[R] inverse function of order()

Douglas Grove dgrove at fhcrc.org
Mon Oct 4 20:02:29 CEST 2004


An alternate method that saves having to use order() again is

r[o] <- r

Doug




On Mon, 2004-10-04 at 15:21, Wolfram Fischer wrote:
> I have:
> 
>  d <- sample(10:100, 9)
>  o <- order(d)
>  r <- d[o]
> 
> How I can get d (in the original order), knowing only r and o?
> 
> Thanks - Wolfram
> 
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