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Compare models with different combinations of covariates in CBC/HB

From reading section 4.10.3 of the manual and 'Applications of Covariates within Sawtooth..', I am comfortable with determining whether a covariate is significant or not. However, I don't understand how to compare analysis with one covariate (ex: gender) to an analysis with multiple covariates (ex: age and education) to determine which model is a better fit as a whole.

Is there an r^2_adj equivalent to the Fit RLH statistic or a chi-sq test to compare models for HB?
asked Jul 12 by axn9077 (125 points)

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