Dear R users, I am looking for more efficient way to compute the followings
-------------------------------------------------------------------------- a <- matrix(c(1,1,1,1,2,2,2,2),4,2) b <- matrix(c(1,2,3,4),4,1) Eventually, I want to get this matrix, `c`. c <- matrix(c(1/1,1/2,1/3,1/4,2/1,2/2,2/3,2/4),4,2) -------------------------------------------------------------------------- In fact, #column of `a` is so big.. Is there a more efficient way to compute this instead of using "apply" or something? or "apply" is only way..? Any suggestion will be greatly appreciated. Regards, Kathryn Lord -- View this message in context: http://n4.nabble.com/VERY-SIMPLE-QUESTION-tp2013288p2013288.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.
