Table 2.
Power (%) for comparing three methods under different scenarios for zero-inflated Poisson response with constant mixing probability for the simulation study.
| Sample Size |
ρ = 0.05 | ρ = 0.1 | ρ = 0.15 | ρ = 0.2 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vuong | Naive | New | Vuong | Naive | New | Vuong | Naive | New | Vuong | Naive | New | |
| 50 | 11.50 | 12.70 | 19.10 | 11.20 | 26.80 | 40.00 | 22.00 | 43.60 | 64.40 | 39.00 | 65.00 | 85.70 |
| 100 | 9.20 | 20.90 | 27.60 | 23.90 | 48.70 | 66.50 | 48.70 | 71.90 | 88.10 | 77.70 | 89.00 | 97.60 |
| 200 | 11.00 | 32.10 | 42.50 | 58.10 | 70.30 | 86.60 | 89.80 | 91.90 | 98.30 | 98.90 | 99.10 | 99.90 |
| 500 | 54.70 | 57.70 | 72.80 | 98.50 | 96.50 | 99.40 | 100.00 | 99.90 | 100.00 | 100.00 | 100.00 | 100.00 |
| 1000 | 91.00 | 83.60 | 92.50 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 | 100.00 |