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Empirical (Emp) power versus Estimated (Est) power in Settings 2-4 where estimated power is calculated in 3 different ways: (1) using 
= 
which is the true rank correlation between 
and 
, (2) assuming 
, and (3) assuming 
.
| Emp power | Est power, 
|
Est power, 
|
Est power, 
|
|
|---|---|---|---|---|
| Setting 2 | 1 | 1 | 0.835 | 1 |
| Setting 3 | 0.525 | 0.592 | 0.231 | 0.823 |
| Setting 4 | 0.688 | 0.658 | 0.393 | 0.987 |
