Hi Alejandro.
If the discrete character is mapped on the tree in a "simmap" style,
then the student could use the phytools function sim.rates. Let me know
if you need more information.
Sincerely, Liam
Liam J. Revell, Associate Professor of Biology
University of Massachusetts Boston
web: http://faculty.umb.edu/liam.revell/
email: liam.rev...@umb.edu
blog: http://blog.phytools.org
On 8/30/2017 12:51 PM, Alejandro Gonzalez Voyer wrote:
Hello,
A student of mine is analyzing whether the rates of evolution of a continuous
trait depend on the state of a discrete trait. He finds no support for a model
with different rates of evolution. However, we would like to test how different
the rates would have to be in order for the method to support a two-rate model.
Thus I would like to know how we could simulate trait evolution for the
continuous trait with rates differing depending on the state of the discreet
trait.
Any suggestions are greatly appreciated.
Best wishes,
Alejandro
_______________________________________________
Dr Alejandro Gonzalez Voyer
Newton Advanced Fellow
Investigador Titular B
Laboratorio de Conducta Animal
Instituto de Ecología
Circuito Exterior S/N
Ciudad Universitaria
Universidad Nacional Autónoma de México
México, D.F.
04510
México
Tel: +52 55 5622 9044
E-mail: alejandro.gonza...@iecologia.unam.mx
Lab website: www.alejandrogonzalezvoyer.com
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