Hello, I am using the package "MuMI" to run all the possible combinations of variables in my full model, and select my best models. When I enter my variables in the original model I write them like this
lm(y~ a +b +c +a:b) However, "MuMI" will also use the variable b:a, which I do not want in my model. How do I stop that from happening? Thank you, Agnese ______________________________________________ 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.
