Thanks a lot, Jorge. It works well! On Fri, Dec 4, 2009 at 12:00 AM, Jorge Ivan Velez [via R] < ml-node+948277-873392...@n4.nabble.com<ml-node%2b948277-873392...@n4.nabble.com> > wrote:
> Hi aegea, > > Here is one: > > m <- structure(c(6, 5, 20, 7, 8, 25, 14, 8, 9, 10, 11, 12, 13, 14, > 1, 2, 3, 4, 5, 6, 7), .Dim = c(7L, 3L)) > > m1 <- m[m[,1] >= m[,2], ] > m1 > > m2 <- m[m[,1] < m[,2], ] > m2 > > Best, > Jorge > > > On Thu, Dec 3, 2009 at 10:12 PM, aegea <> wrote: > > > > > Hello, > > > > I am working on seperate the matrix to two matrices but got trouble on > > doing > > it. Please give me some suggestions on doing this. Thanks a > > looooooooooooot! > > > > My original matrix m is as follows for example, > > > > [,1] [,2] [,3] > > [1,] 6 8 1 > > [2,] 5 9 2 > > [3,] 20 10 3 > > [4,] 7 11 4 > > [5,] 8 12 5 > > [6,] 25 13 6 > > [7,] 14 14 7 > > > > I want to generate two matrix m1 and m2 > > if m[i, 1] <m[i,2], then the row is stored in new matrix m1, (i =1, ..., > 7) > > if m[i,1]>=m[i,2], then the row is stored in new matrix m2. > > > > m1 supposed to be like: > > [,1] [,2] [,3] > > [1,] 6 8 1 > > [2,] 5 9 2 > > [3,] 7 11 4 > > [4,] 8 12 5 > > > > m2 supposed to be like: > > [,1] [,2] [,3] > > [1,] 20 10 3 > > [2,] 25 13 6 > > [3,] 14 14 7 > > > > > > How can I code the if statement? Thank you very much > > > > -- > > View this message in context: > > http://n4.nabble.com/how-to-seperate-a-matrix-tp948225p948225.html > > Sent from the R help mailing list archive at Nabble.com. > > > > ______________________________________________ > > [hidden > > email]<http://n4.nabble.com/user/SendEmail.jtp?type=node&node=948277&i=0>mailing > > list > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > > http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html> > > and provide commented, minimal, self-contained, reproducible code. > > > > [[alternative HTML version deleted]] > > ______________________________________________ > [hidden > email]<http://n4.nabble.com/user/SendEmail.jtp?type=node&node=948277&i=1>mailing > list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html> > and provide commented, minimal, self-contained, reproducible code. > > > ------------------------------ > View message @ > http://n4.nabble.com/how-to-seperate-a-matrix-tp948225p948277.html > To unsubscribe from how to seperate a matrix, click here< (link removed) ==>. > > > -- Best, Chen -- View this message in context: http://n4.nabble.com/how-to-seperate-a-matrix-tp948225p948859.html Sent from the R help mailing list archive at Nabble.com. [[alternative HTML version deleted]] ______________________________________________ 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.
