TABLE 3.
Influence of the age of the sweep
| Age of the sweep
|
|||
|---|---|---|---|
| Selection strength | τ = 0.001 | τ = 0.01 | τ = 0.1 |
| Detection power | |||
| α = 300 | 0.98 | 0.99 | 0.89 |
| α = 500 | 0.99 | 1.00 | 0.97 |
| Average no. of sweep windowsa | |||
| α = 300 | 1.13 | 1.12 | 1.16 |
| α = 500 | 1.16 | 1.20 | 1.28 |
| Average length of the largest sweep window (kb)a | |||
| α = 300 | 6.19 | 6.21 | 5.03 |
| α = 500 | 8.64 | 8.49 | 7.03 |
| Proportion of the largest sweep windows including the selected sitea | |||
| α = 300 | 0.98 | 0.98 | 0.87 |
| α = 500 | 0.99 | 0.97 | 0.93 |
| Average distance from the largest sweep window to the selected site (kb)ab | |||
| α = 300 | 1.10 | 1.08 | 1.31 |
| α = 500 | 1.45 | 1.50 | 1.60 |
Performances of HMMB (three-state model with estimated background emission probabilities) for several values of τ and α are shown. n = 30, L = 100 kb. Type I error is 5%.
a
Among those replicates where at least one sweep is detected.
b
Computed from the center of the sweep window.