Model | ωsetting | -lnL | Estimated parameters | Likelihood ratio test |
---|---|---|---|---|
One-ratio | entire tree: ω0 | 38214.64 | ω0 = 0.234 |  |
Two-ratio | monocot subfamily: ω0 | 38210.14 | ω0 = 0.212 | two ratio vs. one ratio: P < 0.01 |
 | dicot subfamily 1& 2: ω1 |  | ω1 = 0.249 |  |
Three-ratio | monocot subfamily: ω0 | 38209.98 | ω0 = 0.212 | three ratio vs. one ratio: P < 0.01 |
 | dicot subfamily 1: ω1 |  | ω1 = 0.252 | three ratio vs. two ratio: P > 0.05 |
 | dicot subfamily 2: ω2 |  | ω2 = 0.243 |  |
Six-ratio | branch A: ω1 | 38182.58 | ω1 = 0.225 | six ratio vs. one ratio: P < 0.01 |
 | branch B: ω2 |  | ω2 = 0.373 | six ratio vs. two ratio: P < 0.01 |
 | branch C: ω3 |  | ω3 = 0.198 | six ratio vs. three ratio: P < 0.01 |
 | branch D: ω4 |  | ω4 = 0.242 |  |
 | branch E: ω5 |  | ω5 = 0.187 |  |
 | other branches: ω0 |  | ω0 = 0.283 |  |