Table 4. Results of forward simulations showing the effect of linked positive selection on b, Δ, and summary statistics of the site frequency spectrum for different values of the mean selective value of beneficial mutations S_b and the population size N.

	N	Sb	Sd	β	b	Δ	π4	π0/ π4	ρD	D
Nr = 0	100	20	1000	0.4	0.49	0.09	1.39	0.091	874.6	−0.46
	100	50	1000	0.4	0.61	0.21	1.18	0.094	909.9	−0.70
	100	100	1000	0.4	0.72	0.32	1.06	0.111	994.2	−0.77
	100	10	1000	0.4	0.46	0.06	1.52	0.082	739.9	−0.36
	500	10	1000	0.4	0.65	0.25	5.72	0.09	228.6	−0.77
	1000	10	1000	0.4	0.81	0.41	10.35	0.094	132.4	−0.92
Nr = 1e-3	100	20	1000	0.4	0.06	−0.34	1.64	0.076	662.5	−0.18
	100	50	1000	0.4	0.63	0.23	1.48	0.087	738.1	−0.28
	100	100	1000	0.4	0.72	0.32	1.17	0.097	966.8	−0.58
	100	10	1000	0.4	0.09	0.03	1.70	0.075	1011.1	−0.12
	500	10	1000	0.4	0.61	0.21	7.54	0.084	163.9	−0.26
	1000	10	1000	0.4	0.68	0.28	13.67	0.083	99.7	−0.37
Nr = 1e-2	100	20	1000	0.4	0.43	0.03	1.74	0.077	739.3	−0.04
	100	50	1000	0.4	0.63	0.23	1.67	0.081	917.6	−0.12
	100	100	1000	0.4	0.78	0.38	1.61	0.084	898.4	−0.15
	100	10	1000	0.4	0.33	−0.07	1.76	0.080	325.7	−0.01
	500	10	1000	0.4	0.69	0.29	8.55	0.073	165.4	−0.06
	1000	10	1000	0.4	0.99	0.59	16.7	0.072	86.3	−0.12

ρ_D is the correlation between π_S and Tajima’s D.