I have a dependent variable with three levels with values 1, 2, and 3. Is there a simple way to use 2 as the omitted (reference) category instead of 1 in a GLM model, perhaps in a @formula macro?
I have a dependent variable with three levels with values 1, 2, and 3. Is there a simple way to use 2 as the omitted (reference) category instead of 1 in a GLM model, perhaps in a @formula macro?