> cc[!duplicated(cc$bb),]
   aa bb
1   1 56
3   2 33
5   3 53
7   4 20
9   5 63
11  6  9
>


On 8/9/06, Lanre Okusanya <lanre.okusanya@gmail.com> wrote:
>
> hello all,
>
> I have a dataset where the subjects are duplicated. How do I subset
> such that I can get only I row/subject.
>
> aa<-c(1,1,2,2,3,3,4,4,5,5,6,6)
> bb<-c(56,56,33,33,53,53,20,20,63,63,9,9)
> cc<-data.frame(aa,bb)
>
> I would like to subset df(cc) such that I can get
> aa bb
> 1 56
> 2 33
> 3 53
> 4 20
> 5 63
> 6 9
>
> I know this should be fairly easy but I can't figure how to do it in a
> dataframe and keep all my columns
>
> Thanks
>
> ______________________________________________
> R-help@stat.math.ethz.ch mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>



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

What is the problem you are trying to solve?

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