Rolf Turner wrote: > > On 9/02/2009, at 4:40 PM, bill.venab...@csiro.au wrote: > >> Store your 'matrix' as a data frame. > > Surely it's a data frame already, since ``school'' is character or > factor, > and ``value'' is (must be?) numeric. > > People have this unfortunate predilection to refer to data frames as > matrices, and this messes them, and everybody else, up.
still, a naive user's messing up data frames with matrices seems no worse than an experrienced (?) r programmer's messing up lists with vectors. vQ ______________________________________________ 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.
