Table 1.

Performance of count models on the test set in descending order

Model	Holdout log likelihood
ZI negative binomial	−3,671 (70)
ZI Poisson	−4,093 (77)
Negative binomial	−4,298 (114)
Poisson	−4,572 (139)

Posterior means are provided with standard deviations in parentheses. ZI, Zero‐inflated.