I'm choosing a GAM, and when I try to do

anova(model.1, model.2, test="F")

It gives me a warning message saying that the F test is inappropriate for binary outcomes. Why is this?

I get virtually the same p-value either way.

  • 2
    $\begingroup$ The discussion in the help ?anova.glm looks like it is relevant to your question (though not completely covering the 'why'). $\endgroup$ – Glen_b May 5 '14 at 23:42

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