Table 1.

Cross-validation likelihood scores under the models GTR, CAT, and CAT-GTR (relative to WAG, used as a reference model)

DatasetGTRCATCAT-GTR
Ryan-Choano342 ± 321,282 ± 1101,654 ± 93
Moroz-3D242 ± 25701 ± 851,060 ± 71
Whelan-6-Choano560 ± 501,472 ± 1532,376 ± 100
  • This analysis used three exemplar datasets taken from the studies of Ryan et al. (4), Moroz et al. (5), and Whelan et al. (6). Higher scores indicate a better empirical fit. In each case, the mean and SD are calculated over 10 independent replicates (Methods).