try this:
> df
id ord
1 b 2
2 b 1
3 a 1
4 a 3
5 a 2
> df[order(df$id, df$ord),]
id ord
3 a 1
5 a 2
4 a 3
2 b 1
1 b 2
>
On Thu, Mar 18, 2010 at 11:27 AM, Duarte Viana <viana.s...@gmail.com> wrote:
> Dear all,
>
> I am still a R apprentice... Apologies for the basic question.
> I am trying to reshape a dataframe based on the order of two variables
> (a character variable and a numerical variable). To simplify it,
> consider the following dataframe
>
> > df<-data.frame(id=c("b","b","a","a","a"),ord=c(2,1,1,3,2))
>
> id ord
> 1 b 2
> 2 b 1
> 3 a 1
> 4 a 3
> 5 a 2
>
> I want to reshape it such that it results in this dataframe ("id"
> alphabetically ordered and ranked according to the "ord" order)
>
> df1<-data.frame(id=c("a","a","a","b","b"),ord=c(1,2,3,1,2))
>
> id ord
> 1 a 1
> 2 a 2
> 3 a 3
> 4 b 1
> 5 b 2
>
> Thanks in advance,
>
> Duarte Viana
>
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> PLEASE do read the posting guide
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> and provide commented, minimal, self-contained, reproducible code.
>
--
Jim Holtman
Cincinnati, OH
+1 513 646 9390
What is the problem that you are trying to solve?
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