TABLE 4

Likelihood values and parameter estimates for vertebrate β-globin gene (D2)

Model codeidN/dSEstimates of parameters
M0 (one-ratio)−3815.510.237ω = 0.237
M1 (neutral)−3805.960.684p0 = 0.316 (p1 = 0.684)
M2 (selection)−3691.320.266p0 = 0.281, p1 = 0.142 (p2 = 0.577)
ω2 = 0.215
M3 (discrete)−3687.060.304P0 = 0.386, pl = 0.535 (p2 = 0.079),
ω0 = 0.0l8, ω1 = 0.304, ω2 = 1.691
M4 (freqs)−3693.420.397p0 = 0.299, p1 = 0.590, p2 = 0.000, p3 = 0.066 (p4 = 0.045)
M5 (gamma)−3690.820.326α = 0.508, β = 1.463
M6 (2gamma)−3685.640.347p0 = 0.60l (p0 = 0.399),
α0 = 2.831, p0 = 9.829, α1 = 0.092
M7 (beta)−3697.220.269P = 0.408, q = = 1.099
M8 (beta&M)−3686.130.312p0 = 0.943 (p1 = 0.057),
P = 0.572, q = = 2.172, ω = 2.081
M9 (beta&gamma)−3685.650.347p0 = 0.667 (p1 = 0.333),
p = 1.728, q = 4.442, α = 0.054, β = 0.0l7
M10 (beta&gamma +1)−3686.980.358p0 = 0.950 (p1 = 0.050),
p = 0.550, q = = 1.878, α = 2.702, β = 0.257
M11 (beta&normal> 1)−3686.980.358p0 = 0.949 (p1 = 0.051),
p = 0.551, q = 1.883, μ = 11.899, σ = 6.236
M12 (0&2normal>1)−3684.860.326p0 = 0.231, p1 = 0.181,
μ2 = 0.213, σ1 = 1.171, σ2 = 0.150
M13 (3normal>0)−3685.650.347p0 = 0.219, p1 = 0.160 (p2 = 0.621),
μ2 = 0.205,
σ0 = 0.000, σ1 = 1.142, σ2 = 0.159