TABLE 1

Proportion of positively selected SNPs segregating at different frequencies in simulated data sets as a function of the strength of selection (γ)

γ = 20γ = 50γ = 100γ = 500
FrequencyaPop APop AAPop APop AAPop APop AAPop APop AA
0–50%0.8770.9210.0560.0840.0120.0120.0070.007
>50–80%0.1160.0780.1410.4600.0070.1930.0040.204
>80–97.5%0.0070.0010.5520.4560.0140.7850.0040.776
Fixed0.0000.0000.2510.0010.9680.0100.9860.013
  • Here tsel = 3200 generations when NB = 10,000.

  • a Frequency bins in a sample size of 40 chromosomes.