'rowsum()' seems to add row names to the resulting matrix, corresponding to the respective 'group' values. This is very handy, but it is not documented. Should the documentation mention it so it could be relied upon as part of API?
Cheers, Ott -- Ott Toomet Visiting Researcher School of Information Mary Gates Hall, Suite 310 University of Washington Seattle, WA 98195 [[alternative HTML version deleted]] ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel