Re: [R] Extraction of columns from two matrices

2011-05-05 Thread nisha chandran
Yea it did... Thanks :) On Thu, May 5, 2011 at 3:07 PM, Dennis Murphy wrote: > Hi: > > Is this what you have in mind? > > m1 <- matrix(rpois(100, 10), nrow = 10, dimnames = list(NULL, > paste('V', 1:10, sep = ''))) > m2 <- matrix(rpois(40, 10), nrow = 10, dimnames = list(NULL, > paste('V', c(2,

Re: [R] Extraction of columns from two matrices

2011-05-05 Thread Dennis Murphy
Hi: Is this what you have in mind? m1 <- matrix(rpois(100, 10), nrow = 10, dimnames = list(NULL, paste('V', 1:10, sep = ''))) m2 <- matrix(rpois(40, 10), nrow = 10, dimnames = list(NULL, paste('V', c(2, 5, 7, 10), sep = ''))) colnames(m1) colnames(m2) m1[, colnames(m2)] HTH, Dennis On Wed, May

[R] Extraction of columns from two matrices

2011-05-05 Thread nisha chandran
Hi, I have two matrices with 4885 cols and 36 cols respectively . I would like to extract these 36 columns from the bigger matrix, the column values are different but the column names would be the same.Hence based on the names I would like to perform my operation. So is there any way of extracting