Count descendants for each node in a tree

Description

NDescendants() counts the number of nodes (including leaves) directly descended from each node in a tree.

Usage

NDescendants(tree)

Arguments

Value

NDescendants() returns an integer listing the number of direct descendants (leaves or internal nodes) for each node in a tree.

Author(s)

Martin R. Smith (martin.smith@durham.ac.uk)

See Also

Other tree navigation: AncestorEdge(), CladeSizes(), DescendantEdges(), EdgeAncestry(), EdgeDistances(), ListAncestors(), MRCA(), NodeDepth(), NodeOrder(), NonDuplicateRoot(), RootNode()

Examples

tree <- CollapseNode(BalancedTree(8), 12:15)
NDescendants(tree)
plot(tree)
nodelabels(NDescendants(tree))