[R] Transposing by a group variable

[Henrique Dallazuanna]

Try also:

reshape(cbind(d, time=unlist(sapply(table(d$group), seq))),
idvar="group", direction="wide")

On 14/02/2008, Shubha Vishwanath Karanth <shubhak at ambaresearch.com> wrote:
> Hi R,
>
>
>
>  Can I transpose a data frame by a particular group variable?
>
>
>
>  For example:
>
>  d=data.frame(group=c(1,1,2,2,2),val=c(6,4,6,3,5))
>
>  And my output should be:
>
>  data.frame(group=c(1,2),v1=c(6,6),v2=c(4,3),v3=c(NA,5))
>
>
>
>  Many thanks,
>
>  Shubha
>
>  This e-mail may contain confidential and/or privileged i...{{dropped:13}}
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O