Table 3.
Change of the power with λ for four different methods when the distributions are Beta(s1 + δ, s2 − δ) and Beta(5 s1 − δ, 5 s2 + δ) for the case and control groups; δ takes the values of -3λ, -2λ, -λ, 0.5λ, λ, and 1.5λ for the six age groups and s1 = s2 = 4
| λ | Combined t-test | Linear regression | Combined Wilcoxon | Combined BWS |
|---|---|---|---|---|
| 0 |
0.056 |
0.053 |
0.073 |
0.669 |
| 0.05 |
0.075 |
0.057 |
0.094 |
0.703 |
| 0.1 |
0.182 |
0.087 |
0.200 |
0.832 |
| 0.15 |
0.402 |
0.141 |
0.412 |
0.939 |
| 0.2 |
0.701 |
0.212 |
0.687 |
0.988 |
| 0.25 | 0.911 | 0.298 | 0.893 | 0.999 |