try this: > x = rbind(c(0,1,1), c(2,3,1), c(4,5,1)) > y = as.matrix(x) > rownames(y) = c("a","b","c") > colnames(y) = c("a","b","c") > ordered_list = c("b", "c", "a") > y a b c a 0 1 1 b 2 3 1 c 4 5 1 > z <- y[ordered_list, ordered_list] > z b c a b 3 1 2 c 5 1 4 a 1 1 0 >
On Tue, Jan 27, 2009 at 3:26 PM, Nick Matzke <mat...@berkeley.edu> wrote: > Hi all, > > This can't be very hard, but it is sticking me because I am a beginner. > Setup: > > x = rbind(c(0,1,1), c(2,3,1), c(4,5,1)) > y = as.matrix(x) > rownames(y) = c("a","b","c") > colnames(y) = c("a","b","c") > ordered_list = c("b", "c", "a") > > How do I produce a new matrix, z, with the rows and columns both sorted in > the order specified by ordered_list? > > (I have a big 124x124 output matrix that comes out with the rows & columns > in alphabetical order, I want them in a pre-specified order I can get from > the input file, but the above is an example of the conceptual issue) > > > Thanks! > > Nick > > > -- > ==================================================== > Nicholas J. Matzke > Ph.D. student, Graduate Student Researcher > Huelsenbeck Lab > Center for Theoretical Evolutionary Genomics > 4151 VLSB (Valley Life Sciences Building) > Department of Integrative Biology > University of California, Berkeley > > Lab websites: > http://ib.berkeley.edu/people/lab_detail.php?lab=54 > http://fisher.berkeley.edu/cteg/hlab.html > Dept. personal page: > http://ib.berkeley.edu/people/students/person_detail.php?person=370 > Lab personal page: http://fisher.berkeley.edu/cteg/members/matzke.html > Lab phone: 510-643-6299 > Dept. fax: 510-643-6264 > Cell phone: 510-301-0179 > Email: mat...@berkeley.edu > > Mailing address: > Department of Integrative Biology > 3060 VLSB #3140 > Berkeley, CA 94720-3140 > > ----------------------------------------------------- > "[W]hen people thought the earth was flat, they were wrong. When people > thought the earth was spherical, they were wrong. But if you think that > thinking the earth is spherical is just as wrong as thinking the earth is > flat, then your view is wronger than both of them put together." > > Isaac Asimov (1989). "The Relativity of Wrong." The Skeptical Inquirer, > 14(1), 35-44. Fall 1989. > http://chem.tufts.edu/AnswersInScience/RelativityofWrong.htm > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.