Table 2 Actual type I error rates (%) of FITR
TLΔtaModel 1
(R = 5)bModel 2
(R = 2)Model 3
(R = 20)Model 4
(R = 1)Model 5
(R = 10)
10254.995.024.955.125.00
1002055.094.955.065.055.00
100020055.074.955.015.025.24
10524.984.945.064.954.94
1005204.985.175.204.905.02
100052004.875.025.064.895.02
  • Values indicate the actual type I error rates obtained by 100,000 simulations under a nominal significance level of 5%. The initial frequencies for all R +1 loci, xh,0, are assumed to be 0.5. FITR, frequency increment test with reference loci.

  • a Embedded Image.

  • b The numbers of reference loci, R, are randomly assigned to each demographic model.