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
