Re: [R] Unique rows

From: jim holtman <jholtman_at_gmail.com>
Date: Thu 10 Aug 2006 - 04:49:57 EST

> 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
>
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>

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

What is the problem you are trying to solve?

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Received on Thu Aug 10 04:54:45 2006

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