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Hausman test for models with different regressors
I want to know if I can run a Hausman test for Random Effects and First-Difference models with different regressors? For Example:
MODre = X + Y + Z
MODfd = X + Y + C
Where X, Y, Z, C are some ...
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How to test random effects in a multilevel model in R
I have been reading a good book called Applied Longitudinal Data Analysis: Modeling Change and Event Occurrence by Judith Singer and John Willet. The book shows that by modeling in 2 levels, we can ...