User:Carl Boettiger/Notebook/Comparative Phylogenetics/2010/07/23
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Labrid Herbivory data
Parrotfish gape shows significant differences for independent OU models (alpha, theta, sigma different) than wrasses. While the two-peak ouch model gets no support, allowing alpha and sigma to very results in a strongly significant model improvement.
> ws2$ ws2$alpha ws2$data ws2$loglik ws2$regimes ws2$sigma ws2$theta ws2$tree ws2$Xo > ws2$theta  0.2245493 0.9569619 > ws2$alpha  2.943846e+00 4.995744e-06 > ws2$sigma  0.5160019 1.2435074