Try this:
merge(rs.id, snp.id, by.x = 1, by.y = 2)$V2
or:
with(snp.id, V2[match(rs.id, V3)])
On Thu, Oct 22, 2009 at 12:12 PM, Praveen Surendran
<praveen.surend...@ucd.ie> wrote:
> Hi,
>
>
>
> I have a vector with elements
>
>
>
> rs.id=c('rs100','rs101','rs102','rs103')
>
>
>
> And a dataframe 'snp.id'
>
>
>
> 1 SNP_100 rs100
>
> 2 SNP_101 rs101
>
> 3 SNP_102 rs102
>
> 4 SNP_103 rs103
>
>
>
> Task is to replace rs.id vector with corresponding 'SNP_' ids in snp.id.
>
>
>
> Thanks in advance.
>
>
>
> Praveen Surendran
>
> 2G, Complex and Adaptive Systems Laboratory (UCD CASL)
>
> School of Medicine and Medical Sciences
>
> University College Dublin
>
> Belfield, Dublin 4
>
> Ireland.
>
>
> [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@r-project.org mailing list
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>
--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
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