Description Usage Arguments Value
Extracts the parent node index for the given node. Returns -1 if the node is root. Return the index of the node directly above the given node. Returns -1 if the given node is root.
1 | tree.parent.node(phylo, node)
|
phylo, |
input phylo object |
node, |
integer index of the node whose parent is desired |
integer, the index of the parent node or -1 if the given node is root.
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