Is there a way in R to control how factors are coded? It looks like reference cell coding is used by default. Is there a way to get effects coding?
(I could just set up the factor dummy variables as I wish and use lm, but I'm wondering if there is a better way.) Thanks, --Paul ______________________________________________ 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.