Ah, job done, that was simple! Thanks,
-Paul. On Mon, May 19, 2008 at 12:24 PM, john seers (IFR) <[EMAIL PROTECTED]> wrote: > > > Try: > > mat <- mat[order(rownames(mat)), ] > > > --- > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of Paul Geeleher > Sent: 19 May 2008 12:07 > To: r-help@r-project.org > Subject: [R] Sort matrix with duplicate row names alphabetically by > rowname > > Hi, > > I've a matrix that contains 4 replicates of each rowname. (4 a's, 4 b's, > 4 c's in no particular order) Like this: > > > # > c 32 > a 1 > b 4 > c 87 > c 34 > b 54 > a 23 > a 12 > b 9 > a 3 > b 87 > c 43 > > > There are a couple of more columns but I'm using the above as an example > > I need to sort it so that the same rownames appear together in > alpahbetical order. Like this: > > # > a 1 > a 23 > a 12 > a 3 > b 4 > b 54 > b 9 > b 87 > c 87 > c 34 > c 43 > c 32 > > > The code I came up with is something like this: > > mat <- mat[sort(rownames(mat)), ] > > This doesn't work though, it returns the same value for each row each > time, something like this: > > # > a 1 > a 1 > a 1 > a 1 > b 4 > b 4 > b 4 > b 4 > c 32 > c 32 > c 32 > c 32 > > Any ideas how I could get my code to distinguish between the different > rows and get the output I'm looking for? > > Thanks, > > -Paul > > ______________________________________________ > 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. > ______________________________________________ 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.
