Model | lnL | ΔAIC | Parameters |
---|---|---|---|
 | Group 1 |  | |
M0 – one ω | −2975.2 | 454.8 | ω = 0.53 |
M7 – nearly neutral with β | −2788.9 | 100.2 |  |
M8 – positive selection with β (ω0 ≤ 1, ω1 >1) | −2737.8 | Best | p0 = 0.83, p1 = 0.17, ω1 = 2.92 |
 | Group 2 |  | |
M0 – one ω | −1154.5 | 68.5 | ω = 0.74 |
M7 – nearly neutral with β | −1124 | 25.5 |  |
M8 – positive selection with β (ω0 ≤ 1, ω1 >1) | −1110.2 | Best | p0 = 0.93, p1 = 0.07, ω1 = 5.26 |