[R] Replacing values job

[jim holtman]

?match

> X
[1] 2 6 1 7 4 3 5
> Y
 [1] 1 1 6 4 6 1 4 1 2 3 6 6 1 2 4 4 5 4 1 7 6 6 4 4 7 1 2
> match(Y,X)
 [1] 3 3 2 5 2 3 5 3 1 6 2 2 3 1 5 5 7 5 3 4 2 2 5 5 4 3 1
>


On Nov 28, 2007 9:53 AM, Serguei Kaniovski <Serguei.Kaniovski at wifo.ac.at> wrote:
>
> Hallo,
>
> I have two vectors of different lengths which contain the same set of
> values:
>
> X < -c(2,6,1,7,4,3,5)
> Y <- c(1,1,6,4,6,1,4,1,2,3,6,6,1,2,4,4,5,4,1,7,6,6,4,4,7,1,2)
>
> How can I replace the values in Y with the index (!) of the corresponding
> values in X. So 2 appears in X in the first coordinate, so all 2's in Y
> should be replaced by 1, etc.
>
> Thank you for your help,
> Serguei
>
> ________________________________________
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>
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>



-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem you are trying to solve?