models of trait macroevolution on trees. R code.
Written as part of Travis Ingram's visiting scholar project at NESCent. Supports this publication:
Ingram, Travis. "Speciation along a depth gradient in a marine adaptive radiation." Proceedings of the Royal Society B: Biological Sciences 278.1705 (2011): 613-618. http://dx.doi.org/10.1098/rspb.2010.1127