That works perfect. Thanks a lot Paul!
Greets Birgit Paul Smith wrote: > > On Mon, Jun 2, 2008 at 1:04 PM, Birgitle <[EMAIL PROTECTED]> > wrote: >> >> Thanks Paul. >> >> I am not sure if I understood well, but when I do it then I have only two >> columns left: >> >>> L3 <- LETTERS[1:3] >>> (d <- data.frame(cbind(x=1, y=1:10, z=11:20), fac=sample(L3, 10, >>> replace=TRUE))) >> x y z fac >> 1 1 1 11 C >> 2 1 2 12 B >> 3 1 3 13 B >> 4 1 4 14 C >> 5 1 5 15 C >> 6 1 6 16 B >> 7 1 7 17 C >> 8 1 8 18 C >> 9 1 9 19 B >> 10 1 10 20 C >>> d <- d[,c(2,1)] >>> d >> y x >> 1 1 1 >> 2 2 1 >> 3 3 1 >> 4 4 1 >> 5 5 1 >> 6 6 1 >> 7 7 1 >> 8 8 1 >> 9 9 1 >> 10 10 1 >> >> But I have more than two columns in my data.frame. > > In your case, it should be > > # Swap the two first columns > d <- d[,c(2,1,3,4)] > # Swap column 2 and 3 > d <- d[,c(1,3,2,4)] > > Notice that my data frame had only two columns. > > Paul > > ______________________________________________ > 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. > > Bb205Lc ----- The art of living is more like wrestling than dancing. (Marcus Aurelius) -- View this message in context: http://www.nabble.com/Swap-variables-in-data.frame-tp17597476p17600374.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.