> Thats the ticket! So mean is already set up to operate on columns but max and > min are not? I guess its not too important now I know ... but whats going on > in > the background that makes that happen?
Basically, this: > mean.data.frame function (x, ...) sapply(x, mean, ...) <environment: namespace:base> > min.data.frame Error: object 'min.data.frame' not found There was some discussion on r-devel recently about removing mean.data.frame to be consistent with the other summary functions (plus the way it's currently written makes it prone to problems) Hadley -- Assistant Professor / Dobelman Family Junior Chair Department of Statistics / Rice University 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.
