[R] matrix manipulation with its rows

Dear R users, I have a question about matrix manipulation with its rows. Plz see the simple example below sample - list(matrix(1:6, nr=2,nc=3), matrix(7:12, nr=2,nc=3), matrix(13:18,nr=2,nc=3)) sample [[1]] [,1] [,2] [,3] [1,]135 [2,]246 [[2]] [,1] [,2]

Re: [R] matrix manipulation with its rows

Of Kathryn Lord Sent: Wednesday, January 16, 2013 9:00 AM To: r-help@r-project.org Subject: [R] matrix manipulation with its rows Dear R users, I have a question about matrix manipulation with its rows. Plz see the simple example below sample - list(matrix(1:6, nr=2,nc=3), matrix(7:12, nr

Re: [R] matrix manipulation with its rows

Not a great solution, I don't think, but: kronecker(diag(2), matrix(1:6, 2, byrow=TRUE))[c(1,4),] [,1] [,2] [,3] [,4] [,5] [,6] [1,]123000 [2,]000456 So using a function that does this in 'lapply' should solve the problem you state. I'm

Re: [R] matrix manipulation with its rows

: Sent: Wednesday, January 16, 2013 2:59 AM Subject: [R] matrix manipulation with its rows Dear R users, I have a question about matrix manipulation with its rows. Plz see the simple example below sample - list(matrix(1:6, nr=2,nc=3), matrix(7:12, nr=2,nc=3), matrix(13:18,nr=2,nc=3)) sample