Interaction terms in ordinal logistic regression

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#1

I am looking for some guidance on how to account for interaction terms in an ordinal logistic regression.

I have found this line of code on analyticsvidhya, but I am not quite able to implement it for my project:

addterm(m, ~.^2, test = "Chisq")

I understand that m represents the model that was originally created and that “Chisq” is the type of test being run, but I am not sure how to apply the formula argument to my code.

The link to the description of an ordinal logistic regression on this site can be found here

Thanks for any and all help!


#2

Never mind, I figured it out. Thanks!