Try: transform(x, AL1Al2 = paste(AL1, AL2, sep=''))[-c(3:4)]
On 07/03/2008, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > Is there a way to combine two columns within a data frame? > > Example data: > > id snp AL1 AL2 > 1500 30 A B > 1510 30 A A > 1520 30 A B > > This is what I would like: > > indv snp AL1AL2 > 1500 30 AB > 1510 30 AA > 1520 30 AB > > Any help is greatly appreciated. > > Alysta > > ______________________________________________ > 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. > -- Henrique Dallazuanna Curitiba-Paraná-Brasil 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.
