yule_gmyc<-gmyc(yule_tr)
Error in branching.times(tr) : object "phy" is not of class "phylo"
In addition: Warning messages:
1: In if (!is.ultrametric(tr, tol = 1e-06)) { :
the condition has length > 1 and only the first element will be used
2: In if (!is.binary(tr)) { :
the condition has length > 1 and only the first element will be used
I got this error