Try this: unique(cbind(tag, phi))[order(unique(tag)),]
On Wed, Jan 27, 2010 at 4:13 PM, song song <rprojecth...@gmail.com> wrote: >> question like this: >> >> I have data tag and phi, when tag are the same, then phi are the same. like >> below, tag have value 1 2 3 4 and phi have value .9 .3 1 0. >> >> my question is, how can I get the result like >> tag=c(1,2,3,4) and corresponding phi=c(.9,.3,1,0) >> >> tag phi >> 2 .3 >> 1 .9 >> 2 .3 >> 3 1 >> 2 .3 >> 1 .9 >> 3 1 >> 4 0 >> 1 .9 >> 2 .3 >> >> tag=c(2,1,2,3,2,1,3,4,1,2) >> phi=c(.3,.9,.3,1,.3,.9,1,0,.9,.3) >> > > [[alternative HTML version deleted]] > > ______________________________________________ > 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.