'How to interpret interactions in a multinomial ordinal regression (r)
A colleague and I ran a multinomial logistic regression using the 'ordinal' package in r and I am not sure how to interpret interactions between variables with more than two levels.
The model looks something like this:
Score ~ Gender * EconomicDisadvantage * Race_Ethnicity
Score has 5 levels Gender has 2 levels EconomicDisadvantage has 2 levels Race_Ethnicity has 5 levels
When I get the output, it tells me the main effects, and the interactions.
What I am confused about is, when I get the effect size and direction for a level of the Race_Ethnicity variable, what is it compared to? The reference one? all the other ones?
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