[R] Making a sub data.frame

[jim holtman]

Try this:

> x
   ID   VAR1
1  11 blaaal
2 121 blalda
3 121  adada
4 234  baada
5 231  ddaaa
6 231  baada
> idm <- c(121,234,231)
> subset(x, ID %in% idm)
   ID   VAR1
2 121 blalda
3 121  adada
4 234  baada
5 231  ddaaa
6 231  baada
>


On Mon, Jul 27, 2009 at 4:40 PM, desper<idesper at gmail.com> wrote:
>
> Dear all,
>
> I have a data.frame like this
>
> ID         VAR1
> 11           blaaal
> 121         blalda
> 121          adada
> 234        baada
> 231         ddaaa
> 231         baada
> ...           ...
>
> and I have another vector of ID, say, c(121,234,231)
> How could I collect all the observations start with ID from c(121,234,231) ?
>
>
> Thanks
>
> All the Best,
> Desper
> --
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>
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-- 
Jim Holtman
Cincinnati, OH
+1 513 646 9390

What is the problem that you are trying to solve?