Dear Megh, Try this: a = matrix(rnorm(36), 6) a[upper.tri(a)]<-a[lower.tri(a)] a
HTH, Jorge On Sun, Sep 21, 2008 at 1:47 PM, Megh Dal <[EMAIL PROTECTED]> wrote: > I have following matrix : > > a = matrix(rnorm(36), 6) > > Now I want to replace the lower-triangular elements with it's > upper-triangular elements. That is I want to make a symmetric matrix from a. > I have tried with lower.tri() and upper.tri() function, but got desired > result. Can anyone please tell me how to do that? > > ______________________________________________ > 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. > [[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.
