vect_1[vect_2_id] and perhaps a readthrough of some of the very nice intro to R materials available online.
Sarah On Tue, Mar 15, 2011 at 3:41 PM, Vincy Pyne <vincy_p...@yahoo.ca> wrote: > Dear R helpers > > Suppose I have a vector as > > vect_1 = c("AAA", "AA", "A", "BBB", "BB", "B", "CCC") > > vect_1_id = c(1:length(vect_1)) > > Through some process I obtain > > vect_2_id = c(2, 3, 7), then I need a new vector say vect_2 which will give me > > vect2 = ("AA", "A", "CCC") i.e. I need the subset of vect_1 as per vect_2_id. > > Thanking in advance > > Regards > > Vincy > > > > -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ 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.