NDescendants: Count descendants for each node in a tree

In TreeTools: Create, Modify and Analyse Phylogenetic Trees

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

tree	A tree of class phylo.

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 ([e-mail])

See Also

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

Examples

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

TreeTools documentation built on Aug. 8, 2025, 7:18 p.m.