> I'm struggling with an elementary problem with R. I have a simple data > frame such as this one giving the number of accidents subdivided by sex, > age and region.
If you're trying to do pivot tables in R, I'd recommend looking at the reshape package, which was designed specifically to tackle these types of problems. http://had.co.nz/reshape provides some links to get started Hadley -- http://had.co.nz/ ______________________________________________ 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.