How about this: > m <- matrix(c(0, 1, 1, 0), ncol = 2) > mode(m) <- 'logical' > m [,1] [,2] [1,] FALSE TRUE [2,] TRUE FALSE >
On Sun, Sep 27, 2009 at 6:59 PM, Murat Tasan <mmu...@gmail.com> wrote: > i've written a function to coerce a matrix (e.g. from numeric to > logical), but i'd like to know if someone has a more elegant method > for this: > >> m <- matrix(c(0, 1, 1, 0), ncol = 2) >> m <- as.logical(m) >> m > [1] FALSE TRUE TRUE FALSE > > i'd like 'm' to still be a matrix with the original dimensions. in my > function to do this, i coerce 'm' to a logical, then re-form it as a > matrix, which seems like an extra (possibly bug-introducing) step that > might be avoided if i knew of some "hidden" feature that might permit > this in one fell swoop. > > any ideas? > > ______________________________________________ > 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. > -- Jim Holtman Cincinnati, OH +1 513 646 9390 What is the problem that you are trying to solve? ______________________________________________ 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.