> 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
Looks like everything is working as expected to me. So maybe you should explain what result you would like to get. cu Philipp -- Dr. Philipp Pagel Lehrstuhl für Genomorientierte Bioinformatik Technische Universität München Wissenschaftszentrum Weihenstephan 85350 Freising, Germany http://mips.gsf.de/staff/pagel ______________________________________________ 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.