triad_graph¶
- triad_graph(triad_name)[source]¶
Returns the triad graph with the given name.
Each string in the following tuple is a valid triad name:
('003', '012', '102', '021D', '021U', '021C', '111D', '111U', '030T', '030C', '201', '120D', '120U', '120C', '210', '300')
Each triad name corresponds to one of the possible valid digraph on three nodes.
- Parameters
- triad_namestring
The name of a triad, as described above.
- Returns
DiGraph
The digraph on three nodes with the given name. The nodes of the graph are the single-character strings ‘a’, ‘b’, and ‘c’.
- Raises
- ValueError
If
triad_name
is not the name of a triad.
See also
triadic_census