Calculate the balance of a node

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Description

Returns the balance of a node.

Usage

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calcNdBlnc(tree, nid)

Arguments

tree

TreeMan object

nid

node id

Details

Balance is calculated as the absolute difference between the number of descendents of the two bifurcating edges of a node and the expected value for a balanced tree. NA is returned if the node is polytomous or a tip.

See Also

calcNdsBlnc, https://github.com/DomBennett/treeman/wiki/calc-methods

Examples

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library(treeman)
tree <- randTree(10)
calcNdBlnc(tree, nid=tree['root'])  # root balance

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