Thanks Patrick, Sorry to have missed that! Tal
On Sat, Mar 28, 2009 at 9:01 PM, Patrick Burns <pbu...@pburns.seanet.com>wrote: > I presume you are looking for: > > aa[order(aa)] > > and > > df[order(df[,1]), ] > > > Patrick Burns > patr...@burns-stat.com > +44 (0)20 8525 0696 > http://www.burns-stat.com > (home of "The R Inferno" and "A Guide for the Unwilling S User") > > Tal Galili wrote: > >> Hello people. >> >> I wish to reorder a simple vector of numbers by another vector of the >> order >> (and then do the same, but with a data frame rows) >> >> I try this (which doesn't work) : >> >> >>> aa <- c(3, 1 ,2 ) >>> aa[aa] >>> >>> >> [1] 2 3 1 >> >> The same won't work if I try to order a data frame: >> >> >>> data.frame(matrix(c(3,1,2), 3,2))[c(3,1,2),] >>> >>> >> X1 X2 >> 3 2 2 >> 1 3 3 >> 2 1 1 >> >> >> How should I do this? >> >> >> p.s: sorry if the question is too simple, but I couldn't find a good >> explanation for this on google. >> p.p.s: I am running R 2.8 >> >> >> Thanks, >> Tal >> >> [[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. >> >> >> >> > -- ---------------------------------------------- My contact information: Tal Galili Phone number: 972-50-3373767 FaceBook: Tal Galili My Blogs: http://www.r-statistics.com/ http://www.talgalili.com http://www.biostatistics.co.il [[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.
