I am sorry but I didn't see "factors" mentioned in this documentation.
Kevin ---- Henrique Dallazuanna <www...@gmail.com> wrote: > See ?terms > > On Mon, Mar 22, 2010 at 2:08 PM, <rkevinbur...@charter.net> wrote: > > I noticed that when I fit a linear model using 'lm' there is an attribute > > called "factors" that is added to the "term". It doesn't seem to appear for > > 'model.matrix', just 'lm'. I have been unable to find where it gets > > constructed or what it means? It looks like a two dimensional array that I > > may be able to use so I would just like to get some 'official' statement > > regarding what it is and how it is constructed. I would rather not go on my > > assumptions. An example would be like: > > > >> l <- lm(prestige ~ income + education, data=Duncan) > >> attr(l$terms,"factors") > > income education > > prestige 0 0 > > income 1 0 > > education 0 1 > > > > Thank you. > > > > Kevin Burton > > rkevinbur...@charter.net > > > > ______________________________________________ > > 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. > > > > > > -- > Henrique Dallazuanna > Curitiba-Paraná-Brasil > 25° 25' 40" S 49° 16' 22" O ______________________________________________ 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.