?model.matrix On Tue, 9 Oct 2007, Ajay Shah wrote:
> I am using the clever formula notation of R to first do an OLS. E.g. I > say > > m <- lm(y ~ x + f) > > where f is a factor, and R automatically constructs the dummy > variables. Very nice. > > I need to then go on to do some other ML estimation using the same > design matrix that's used for the OLS. I could, of course, do this > manually. But it seems that lm() has done all this hard work. I wonder > if there's a way to ask him nicely so as to get it. :-) > > -- Brian D. Ripley, [EMAIL PROTECTED] Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/ University of Oxford, Tel: +44 1865 272861 (self) 1 South Parks Road, +44 1865 272866 (PA) Oxford OX1 3TG, UK Fax: +44 1865 272595 ______________________________________________ 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.
