Try this also:

 is.na(x) <- x == 0

On Fri, Jun 12, 2009 at 6:59 AM, Robert Kinley <KINLEY_ROBERT@lilly.com>wrote:

> something like ...
>
> > x<-c(1,2,3,0,5,6,0)
> > is.na(x[x==0])<-T
> > x
> [1]  1  2  3 NA  5  6 NA
>
> ~~~~~~~~~~~~~~~~
> Robert  Kinley
>
> ~~~~~~~~~~~~~~~~
>
>
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>
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>



-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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