tasccoda.tree_utils.get_A

tasccoda.tree_utils.get_A(tree)

Calculate ancestor matrix from a toytree tree

Parameters

tree : ToyTreeToyTree

A toytree tree object

Return type

Tuple[ndarray, int]Tuple[ndarray, int]

Returns

• Ancestor matrix and number of nodes without root node

• A – Ancestor matrix (numpy array)

• T – number of nodes in the tree, excluding the root node