Try this: m <- diag(4-abs(-4:4)) # test matrix wm <- which.max(m) c(row(m)[wm], col(m)[wm]) # c(5,5)
On 3/6/06, Michael <[EMAIL PROTECTED]> wrote: > Hi all, > > I want to use "which.max" to identify the maximum in a 2D array/matrix and I > want "argmin" and return the row and column indices. > > But "which.max" only works for vector... > > Is there any convinient way to solve this problem? > > Thanks a lot! > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html