Kevin, See ?terms.object, which is indicated in the Value section of ?terms and listed in the See Also of ?terms.
HTH, Marc Schwartz On Mar 22, 2010, at 1:16 PM, rkevinbur...@charter.net wrote: > > 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.
