On Jun 6, 2013, at 12:52 PM, Jack Luo wrote: > Hi, > > I am trying to find a way to fit a glm model with all the possible > interaction terms between different variables, without typing all the > X1:X2, X1:X3, in the formula, is there a way in R to do that?
The "*" operator does that: ~ X1 * X2 * X3 -- David Winsemius Alameda, CA, USA ______________________________________________ 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.
