Count descendants for each node in a tree
NDescendants() counts the number of nodes (including leaves) directly
descended from each node in a tree.
NDescendants(tree)
tree |
A tree of class |
NDescendants() returns an integer listing the number of direct
descendants (leaves or internal nodes) for each node in a tree.
Martin R. Smith (martin.smith@durham.ac.uk)
Other tree navigation:
AncestorEdge(),
CladeSizes(),
DescendantEdges(),
EdgeAncestry(),
EdgeDistances(),
ListAncestors(),
MRCA(),
NodeDepth(),
NodeOrder(),
NonDuplicateRoot(),
RootNode()
tree <- CollapseNode(BalancedTree(8), 12:15) NDescendants(tree) plot(tree) nodelabels(NDescendants(tree))
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