On 14-11-2014, at 16:04, eliza botto <eliza_bo...@hotmail.com> wrote:
> Dear useRs, > I have two matrices >> dput(EB) > structure(1:15, .Dim = c(3L, 5L), .Dimnames = list(NULL, c("A", "B", "C", > "D", "E"))) > >> dput(EA) > structure(31:36, .Dim = c(3L, 2L), .Dimnames = list(NULL, c("D", "E"))) > I have two question > 1-Generally speaking, How can I replace the columns of matrix with the other > columns having same names? > 2-Precisely, how can I replace column "D" and "E" of "EB" with "D" and "E" of > "EA"? > Thankyou very very much in advance. How about colnms <- c("D","E") EB[,colnms] <- EA[,colnms] Berend ______________________________________________ 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.