Basic checks on the validity of S4 phylogenetic objects
checkPhylo4(object)As required by validObject, returns an error
string (describing problems) or TRUE if everything is OK.
A prospective phylo4 or phylo4d object
Ben Bolker, Steven Kembel, Francois Michonneau
the phylo4 constructor and
phylo4 class; the phylo4d-methods constructor
and the phylo4d class do checks for the data
associated with trees. See coerce-methods for
translation functions and phylobase.options to change
some of the default options of the validator.