> toto[!duplicated(apply(toto,1,paste, collapse='.')),]
id dpt
1 id1 13
3 id2 34
4 id3 30
On 11/9/05, Bruno Cutayar <[EMAIL PROTECTED]> wrote:
>
>
>
> Hello,
> with a data.frame like this :
> > toto <-
> data.frame
> (id=c("id1","id1","id2","id3","id3","id3"),dpt=c("13","13","34","30","30","30"))
> > toto
> id dpt
> 1 id1 13
> 2 id1 13
> 3 id2 34
> 4 id3 30
> 5 id3 30
> 6 id3 30
>
> what is the most efficient ways to obtain :
> id dpt
> 1 id1 13
> 2 id2 34
> 3 id3 30
> ?
> thanks in advance for your reply
> Bruno
>
>
>
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