 merge(dat, pheno, by.x = "sid", by.y = "sen")


Scott
On Wednesday, May 4, 2011 at 12:53 PM, 1Rnwb wrote: 
> Hello,
> 
> I have data in a dataframe with 139104 rows which is multiple of 96x1449. i
> have a phenotype file which contains the phenotype information for the 96
> samples. the snp name is repeated 1449X96 samples. I haveto merge the two
> dataframes based on sid and sen. this is how my two dataframes look like
>  dat<-data.frame(snpname=rep(letters[1:12],12),sid=rep(1:12,each=12), 
>  genotype=rep(c('aa','ab','bb'), 12))
>  pheno<-data.frame(sen=1:12,disease=rep(c('N','Y'),6), wellid=1:12)
> 
> I have to merge or add the disease column and 3 other columns to the data
> file. I am unable to use merge in R. I have searched google, i guess i am
> not hitting the correct terms to get the answer. I would appreciate any
> input on this issue. thanks
> sharad
> 
> --
> View this message in context: http://r.789695.n4.nabble.com/merging-multiple-columns-from-two-dataframes-tp3496341p3496341.html
> Sent from the R help mailing list archive at Nabble.com.
> 
> ______________________________________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
> 

	[[alternative HTML version deleted]]

