I have a further question. If there is NA (missing data) in the original dataset, just like this:
id var1 var2 1 1 3 2 3 1 3 NA 1 4 1 2 5 2 3 how to deal with it? The converted dataset should be this: id var1.1 var1.2 var2.1 var2.2 1 1 1 2 2 2 2 2 1 1 3 NA NA 1 1 4 1 1 1 2 5 1 2 2 2 Thanks. Lisa The Henrique Dallazuanna wrote: > > Try this: > > cbind(x$id, t(do.call(rbind, lapply(x[-1], sapply, switch, '1' = > c(1,1), '2' = c(1, 2), '3' = c(2, 2))))) > > On Tue, Nov 24, 2009 at 1:51 PM, Lisaj <lisa...@gmail.com> wrote: >> >> Hello, R users, >> >> I have a dataset that looks like this: >> >> id var1 var2 >> 1 1 3 >> 2 3 1 >> 3 2 1 >> 4 1 2 >> 5 2 3 >> >> I want to split one column to two columns with 1 = 1 and 1, 2 = 1 and 2, >> 3 = >> 2 and 2: >> >> id var1.1 var1.2 var2.1 var2.2 >> 1 1 1 2 2 >> 2 2 2 1 1 >> 3 1 2 1 1 >> 4 1 1 1 2 >> 5 1 2 2 2 >> >> Can anyone please help how to get this done? Thanks a lot in advance >> >> Lisa >> >> -- >> View this message in context: >> http://old.nabble.com/Split-column-tp26498361p26498361.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. >> > > > > -- > 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. > > -- View this message in context: http://old.nabble.com/Split-column-tp26498361p26504785.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.