Table 2.
Estimated powers of the four methods at significant level 0.05 under different parameter settings for the three-component mixture distributions with τ1 = 0.1, τ2 = 0.9
| Parameter Setting | π1 | π2 | π3 | μ | σ | t-test | Linear regression | Wilcox | BWS |
|---|---|---|---|---|---|---|---|---|---|
|
δμ = 0.03 |
0.3 |
0.5 |
0.2 |
0.3 |
0.1 |
0.475 |
0.479 |
0.749 |
0.836 |
|
δμ = 0.05 |
0.3 |
0.5 |
0.2 |
0.3 |
0.1 |
0.889 |
0.892 |
0.951 |
0.988 |
|
δτ = 0.03 |
0.45 |
0.1 |
0.45 |
0.5 |
0.05 |
0.048 |
0.047 |
0.078 |
0.727 |
| δτ = 0.06 | 0.45 | 0.1 | 0.45 | 0.5 | 0.05 | 0.048 | 0.047 | 0.092 | 0.877 |