Calculate the balance of a node

Returns the balance of a node.

Usage

calcNdBlnc(tree, id)

Arguments

tree

TreeMan object

id

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

tree <- randTree(10)
calcNdBlnc(tree, id = tree["root"]) # root balance
#> [1] 2