I have recently done the Hausman test to determine whether a random effects specification would be appropriate for my data, for OLS and negative binomial regression. However, when I tried to do the test for the same variables for a Logistic Regression model, I got the error message "no coefficients in common; specify equations(matchlist)for problems with different equation names". That is quite puzzling because I'm using the same variables for FE and RE in logit as well as for the other models I ran earlier. Would appreciate any comments/ suggestions.
Sandip Basu
University of Washington
206-543-6706
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