[R] inverse function of order()

Achim Zeileis Achim.Zeileis at wu-wien.ac.at
Mon Oct 4 16:57:16 CEST 2004


On Mon, 4 Oct 2004 16:21:14 +0200 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?

r[order(o)]

hth
Z

> Thanks - Wolfram
> 
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