Try something like this: X = matrix(rnorm(25), 5); colnames(X) <- rownames(X) <- letters[1:5]
Y <- dist(X) library(reshape) melt(as.matrix(Y)) Michael On Tue, Nov 15, 2011 at 7:03 PM, ram basnet <basnet...@yahoo.com> wrote: > Dear R users, > > I am not good in R-language programming. So, i need your help. > > I want to convert my lower-triangle value of symmetry matrix into a vector > with their row and column name. > I found a function called "sm2vec" in "corpcor" package but it give only a > vector of values but not row and column names. But i also want ROW and COLUMN > name together with their corresponding values. > > To make more clear, > For example: Suppose i have a symmetric matrix with lower-triangle value with > 5 variables (eg. a - e). But in real, i have many variables. > > a b c d e > a - - - - - > b -0.44145 - - - - > c -0.67922 0.232548 - - - > d 0.114012 0.186583 0.244655 - - > e -0.031 -0.35098 -0.16327 -0.34573 - > > Now, I want to convert above table into the following format. So, if some one > can tell what kind of R code does this, it will be great help. > > row name column name value > b a -0.44145 > c a -0.67922 > d a 0.114012 > e a -0.031 > c b 0.232548 > d b 0.186583 > e b -0.35098 > d c 0.244655 > e c -0.16327 > e d -0.34573 > > If some one can help me, it will be great for me. > > Thanks in advance for your help. > > Regards, > Ram Kumar Basnet > Ph. D. student. > [[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. > > ______________________________________________ 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.
