Charles H. Franklin wrote: > What is a simple way to convert a factor into a matrix of dummy variables? > > fm<-lm(y~f)
model.matrix(y~f) Uwe Ligges > 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 > ______________________________________________ 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
