A list of class aphylo with the following elements:
treeAn object of class phylo.
tip.annotationAn integer matrix. Tip (leaf) nodes annotations.
node.annotationAn integer matrix (optional). Internal nodes
annotations.
offspringA list. List of offspring of each node.
pseqInteger vector. The pruning sequence (postorder).
reduced_pseqInteger vector. The reduced version of pseq.
Ntips.annotatedInteger. Number of tips with annotations.
tip.typeBinary of length Ntip(). 0 means duplication and 1 speciation.
tip.typeBinary of length Nnode(). 0 means duplication and 1 speciation.