Converts the graph structure to a scipy.sparse.coo_array instance.

Parameters:¶

data : ndarray, optional¶

Data stored on each edge. If None, these will be boolean values indicating whether the outgoing node is a leaf. Default is None.

Returns:¶

COO-formatted sparse array, where rows are "src" and cols are "dst" indices for AdjacencyList.edges.

Return type:¶

coo_array