TABLE 7

Likelihood values and parameter estimates for human influenza virus A HA gene (D5)

Model codeidN/dSEstimates of parameters
M0 (one-ratio)−3125.610.391ω = 0.391
M1 (neutral)−3083.580.342p0 = 0.658
M2 (selection)−3078.200.401p0 = 0.652, p1 = 0.337 (p2 = 0.011)
ω2 = 5.815
M3 (discrete)−3077.730.412p0 = 0.741, p1 = 0.251 (p2 = 0.008),
ω0 = 0.049, ω1 = 1.284, ω2 = 6.898
M4 (freqs)−3078.660.396p0 = 0.593, p1 = 0.134, p2 = 0.000, p3 = 0.234 (p4 = 0.039)
M5 (gamma)−3079.320.408α = 0.238, β = 0.516
M6 (2gamma)−3079.290.409p0 = 0.617 (p1 = 0.383)
α0 = 0.130, β0 = 1.142, α1 = β1 = 0.716
M7 (beta)−3083.630.317p = 0.011, q = = 0.021
M8 (beta&M)−3078.200.383p0 = 0.987 (p1 = 0.013),
p = 0.0l2, q = 0.024, ω = 5.141
M9 (beta&gamma)−3079.250.4l0p0 = 0.934 (p1 = 0.066),
p = 0.133, q = 0.422, α = 0.841, β = 0.085
M10 (beta&gamma +1)−3079.250.411p0 = 0.925 (p1 = 0.075),
p = 0.139, q = 0.472, α = 0.258, β = 0.008
M11 (beta&normal> 1)−3079.250.411p0 = 0.924 (p1 = 0.076),
p = 0.139, q = = 0.473, μ = 1.541, σ = 2.488
M12 (0&2normal>1)−3078.590.4l0p0 = 0.924, p1 = 0.077,
μ2 = 0.877, σ1 = 6.792, σ2 = 0.180
M13 (3normal>0)−3079.170.409p0 = 0.551, p1 = 0.104 (p2 = 0.345),
μ2 = 0.602,
σ0 = 0.00l, σ1 = 2.613, σ2 = 0.000