Hi On 10 Sep 2003 at 10:50, Paul Green wrote:
> How can I sort(decreasing) a matrix on just the first column? > For example, I can I get > > 8 2 > 7 5 > 4 1 > > from > > 7 5 > 4 1 > 8 2 I am sure in help pages for sort() is a link to order() > mat x y [1,] 7 5 [2,] 4 1 [3,] 8 2 > o<-order(mat[,1],decreasing=T) > mat[o,] x y [1,] 8 2 [2,] 7 5 [3,] 4 1 > > Thanks > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help CheersPetr Pikal [EMAIL PROTECTED] ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help