Table 2 Maximum likelihood estimates of different molecular clock models for concatenated sequences. The models are compared to the model without a clock via likelihood ratio tests.
From: Genome-wide acceleration of protein evolution in flies (Diptera)
Clock model | Parameters | ln(L) | 2[ln(Lnc)-ln(L)]a | dfb | P |
|---|---|---|---|---|---|
No clock | 8 | -459144 | - | - | - |
Global | 5 | -459296 | 302.89 | 3 | 2 × 10-65 |
Base of Diptera | 6 | -459229 | 169.93 | 2 | 1 × 10-37 |
Drosophila and Anopheles | 7 | -459203 | 117.57 | 1 | 2 × 10-27 |
Tribolium and Drosophila | 7 | -459146 | 2.69 | 1 | 0.1 |
Tribolium and Anopheles | 7 | -459150 | 10.60 | 1 | 0.001 |
Tribolium and Diptera | 7 | -459170 | 52.21 | 1 | 5 × 10-13 |
Tribolium and base of Diptera | 7 | -459170 | 52.21 | 1 | 5 × 10-13 |
Tribolium and tips of Diptera | 7 | -459170 | 52.21 | 1 | 5 × 10-13 |