how to fit a glm model with all possible interactions between explanatory variables
?formula -- Bert
On Thu, Jun 6, 2013 at 12:52 PM, Jack Luo <jluo.rhelp at gmail.com> 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?
Thanks,
-Jack
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Bert Gunter Genentech Nonclinical Biostatistics Internal Contact Info: Phone: 467-7374 Website: http://pharmadevelopment.roche.com/index/pdb/pdb-functional-groups/pdb-biostatistics/pdb-ncb-home.htm