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. Author manuscript; available in PMC: 2015 Jun 15.
Published in final edited form as: Stat Med. 2014 Jan 20;33(13):2238–2250. doi: 10.1002/sim.6091

Table 3.

Results of Model Fitting

Model # of Risk Classes Log Posterior Density Log-Likelihood # of Parameters BIC
Poisson Regression – −818.4 −988.3 4 1999.22
ZIP Regression – −716.5 −832.2 6 1698.34
ZIP Mixture 1 −721.4 −854.4 5 1737.02
ZIP Mixture 2 −499.0 −642.0 8 1329.15
ZIP Mixture 3 −471.3 −640.6 11 1343.46