This function merges two or mapped states on the tree to get one new state.
For instance, one could merge the states "C", "G", and "T" and define the new the state "not-A".
mergeMappedStates(tree, old.states, new.state)an object of class "simmap" or "multiSimmap" containing one or more phylogenetic trees with a mapped discrete character.
states to merge.
name for new state.
An object of class "simmap" or "multiSimmap".
Revell, L. J. (2012) phytools: An R package for phylogenetic comparative biology (and other things). Methods Ecol. Evol., 3, 217-223.