Fits a generalized form of the covarion model that allows different transition rate classes on different portions of a phylogeny by treating rate classes as “hidden” states in a Markov process.
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Add support for multi-state individual traits in rate.mat.maker #9
The command
rate.mat.maker(rate.cat = 1, ntraits = 1, nstates = 3, model = "ARD")
Results in the following rate index matrix:However, for a three-state character, should the output not be something like: