See ?model.matrix. HTH, Andy
From: Charles H. Franklin > > What is a simple way to convert a factor into a matrix of > dummy variables? > > fm<-lm(y~f) > > where f is a factor takes care of this in the estimation. I'd like to > save the result of expanding f into a matrix for later use. > > Thanks. > > Charles > > -- > > > Charles H. Franklin > Professor, Political Science > University of Wisconsin, Madison > [EMAIL PROTECTED] > [EMAIL PROTECTED] > 608-263-2022 (voice) > 608-265-2663 (fax) > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html > > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
