[R] order of values in vector

Chuck Cleland ccleland at optonline.net
Mon Mar 19 10:15:32 CET 2007


Tord Snäll wrote:
> Dear all,
> I would like to get the order of the values in a vector. I have tried 
> rank(), order() and searched the archive, though without success.
> 
> Here is an example of a try
> x= c(20,30,50,40,60,10)
> cbind(sort.list(x),x)
>         x
> [1,] 6 20
> [2,] 1 30
> [3,] 2 50
> [4,] 4 40
> [5,] 3 60
> [6,] 5 10
> but I was hoping to get this:
>         x
> [1,] 2 20
> [2,] 3 30
> [3,] 5 50
> [4,] 4 40
> [5,] 6 60
> [6,] 1 10
> 
> I'm most grateful for a tip!

cbind(rank(x), x)
        x
[1,] 2 20
[2,] 3 30
[3,] 5 50
[4,] 4 40
[5,] 6 60
[6,] 1 10

> cheers,
> Tord 

-- 
Chuck Cleland, Ph.D.
NDRI, Inc.
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New York, NY 10010
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