Index of item in matrix
Hello All, Thanks, John.
Peter Dalgaard BSA wrote:
white.denis at epamail.epa.gov writes:
Try these: which.col <- function (mat, x) (which(mat==x)-1) %/% nrow(mat) + 1 which.row <- function (mat, x) (which(mat==x)-1) %% nrow(mat) + 1 Knowing the R community, there may be already functions to do this.
There is. Take another look at ?which.
-------------------------------------------------------------------------- Dr. John Janmaat Department of Economics, Acadia University, Wolfville, NS, B4P 2R6 E-mail: jjanmaat at acadiau.ca Web: http://ace.acadiau.ca/~jjanmaat Tel: 902-585-1461 Fax: 902-585-1070