Table 3.
Power (%) for comparing three methods under different scenarios for zero-inflated Poisson response with mixing probability modeled by logistic regression with a linear predictor for the simulation study.
| Sample Size |
α = −2.94 | α = −2.20 | α = −1.73 | α = −1.39 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vuong | Naive | New | Vuong | Naive | New | Vuong | Naive | New | Vuong | Naive | New | |
| 50 | 23.84 | 12.05 | 26.65 | 45.71 | 27.37 | 49.85 | 63.16 | 39.09 | 66.03 | 76.19 | 48.57 | 77.37 |
| 100 | 40.04 | 25.50 | 43.14 | 79.01 | 56.63 | 76.24 | 93.95 | 76.67 | 91.25 | 98.12 | 86.36 | 96.51 |
| 200 | 76.38 | 49.92 | 66.83 | 98.89 | 88.36 | 95.12 | 99.94 | 97.87 | 99.48 | 99.99 | 99.45 | 99.90 |
| 500 | 99.75 | 88.62 | 94.76 | 100.00 | 99.85 | 99.93 | 100.00 | 100.00 | 99.99 | 100.00 | 100.00 | 100.00 |
| 1000 | 100.00 | 99.59 | 99.85 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |