Table 7.

Test statistics comparison of Models Model.

Variable	Model*
Test statistic	PR	NBR	HR	ZIPR	ZIBR
Log likelihood (-2ℓ)	−6011	−3196	−4065	−3116	-3026
Akaike’s information criterion (AIC)	12224	9221	8139	7889	6890
Bayesian information criterion (BIC)	12454	9312	8435	8216	7356
R2D	54.1	56.3	50.1	52.3	72.2
R2D,adj	53.6	54.3	49.7	51.2	71.3