Model name and description | f | α | ΔAIC | wAIC |
---|---|---|---|---|
M0: Strict selective neutrality | 1 | 0 | 321 | ~ 0 |
M1: Homogeneous purifying selection + No adaptive evolution | 0.13 | 0 | 2.16 | 0.06 |
M2: Purifying selection with variable intensity + No adaptive evolution | f1 = 0.11 f2 = 0.17 f3 = 0.08 | 0 | 1.16 | 0.16 |
M3 Homogeneous purifying selection + homogeneous levels of adaptive evolution | 0.11 | 0.36 | 0.79 | 0.24 |
M4 Purifying selection with variable intensity + homogeneous levels of adaptive evolution | f 1 = 0.10 f 2 = 0.14 f 3 = 0.07 | 0.35 | 0 | 0.52 |
M5: Purifying selection with variable intensity + varying levels of adaptive evolution | f1 = 0.09 f2 = 0.14 f3 = 0.09 | α1 = 0.4 α2 = 0.37 α3 = -0.04 | 3.48 | 0.02 |
Model average (over M0 to M5) | f 1 = 0.08 f 2 = 0.11 f 3 = 0.06 | α 1 = 0.28 α 2 = 0.028 α 3 = 0.027 | N/A | N/A |