Dan, Robert, others- >> (i) Can you use a Likelihood ratio test to test whether a birth death model >> fits your data better than a pure birth model? (likelihood scores are >> obtained from LASER). > > Yes, this would be valid, as the models are nested.
If I might ask, what biological inference would one draw if the pure birth model fits better than the birth-death model? That the extinction rate is negligible? -Dave -- David Bapst Dept of Geophysical Sciences University of Chicago 5734 S. Ellis Chicago, IL 60637 http://home.uchicago.edu/~dwbapst/ _______________________________________________ R-sig-phylo mailing list R-sig-phylo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-phylo