Hello I am looking for a function which performs the same thing as rev but on a matrix rather then a vector, based on one column. I'd be happy to read the man page if such a function exists.
Thanks, Vera Lindsay ______________________________________________ [EMAIL PROTECTED] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
