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Table 3 Five best-fit evolutionary models for cranial asymmetry ranked according to the Akaike Information Criteria (AIC)

From: Wonky whales: the evolution of cranial asymmetry in cetaceans

Model Full landmark data set No rostrum
Rank Akaike Information Criteria (AIC) Rank Akaike Information Criteria (AIC)
1. ‘OUM-regime’ 1 − 448 1 − 498
2. ‘OUM-regime-split’ 2 − 445 2 − 496
3. ‘OUM-echo-freq’ 3 − 403 3 − 449
4. ‘OUM-ancestral’ 4 − 379 4 − 424
5. ‘OUM-echo’ 5 − 373 5 − 422
  1. Models are detailed in Table 4—models testing whether changes in cetacean cranial asymmetry are associated with other discrete traits