[R] inverse function of order()

[Dimitris Rizopoulos]

Hi Wolfram,

just use:

r[order(o)]

I hope it helps.

Best,
Dimitris

----
Dimitris Rizopoulos
Ph.D. Student
Biostatistical Centre
School of Public Health
Catholic University of Leuven

Address: Kapucijnenvoer 35, Leuven, Belgium
Tel: +32/16/396887
Fax: +32/16/337015
Web: http://www.med.kuleuven.ac.be/biostat/
     http://www.student.kuleuven.ac.be/~m0390867/dimitris.htm

----- Original Message ----- 
From: "Wolfram Fischer" <wolfram at fischer-zim.ch>
To: <r-help at stat.math.ethz.ch>
Sent: Monday, October 04, 2004 4:21 PM
Subject: [R] inverse function of order()


>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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