On 10/19/2011 09:00 AM, Jonas Fransson wrote:
> Dear all,
>
> I have a dataframe with two columns, where NUMBER is the number of
> occurrences of DEPTH:
>
> DEPTH NUMBER
> 1 2 1
> 2 3 2
> 3 2 3
> 4 5 1
>
>> a<-data.frame(c(2,3,2,5),c(1,2,3,1))
>> colnames(a)=c("DEPTH","NUMBER")
> I want a column or a vector where all the DEPTHs are listed: 2, 3, 3, 2, 2,
> 2, 5 (NUMBER=1 in all cases).
Hi,
Use the rep function:
with(a, rep(DEPTH, times = NUMBER))
cheers,
Paul
> Is there any simple solution to the problem?
>
> Thanks,
> Jonas
>
>
> Jonas Fransson
> Ph.D.stud.
>
> IVA / Det Informationsvidenskabelige Akademi
> Royal School of Library and Information Science
> Birketinget 6
> DK-2300 Copenhagen S
> T +45 32 58 60 66
> D +45 32 34 15 10
> www.iva.dk/jf
>
>
>
>
>
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--
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Global Climate Division
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