Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/networkx/algorithms/tree/tests/test_decomposition.py @ 0:4f3585e2f14b draft default tip
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author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 import networkx as nx |
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2 from networkx.algorithms.tree.decomposition import junction_tree |
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3 |
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4 |
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5 def test_junction_tree_directed_confounders(): |
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6 B = nx.DiGraph() |
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7 B.add_edges_from([("A", "C"), ("B", "C"), ("C", "D"), ("C", "E")]) |
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8 |
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9 G = junction_tree(B) |
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10 J = nx.Graph() |
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11 J.add_edges_from( |
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12 [ |
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13 (("C", "E"), ("C",)), |
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14 (("C",), ("A", "B", "C")), |
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15 (("A", "B", "C"), ("C",)), |
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16 (("C",), ("C", "D")), |
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17 ] |
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18 ) |
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19 |
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20 assert nx.is_isomorphic(G, J) |
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21 |
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22 |
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23 def test_junction_tree_directed_unconnected_nodes(): |
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24 B = nx.DiGraph() |
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25 B.add_nodes_from([("A", "B", "C", "D")]) |
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26 G = junction_tree(B) |
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27 |
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28 J = nx.Graph() |
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29 J.add_nodes_from([("A", "B", "C", "D")]) |
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30 |
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31 assert nx.is_isomorphic(G, J) |
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32 |
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33 |
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34 def test_junction_tree_directed_cascade(): |
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35 B = nx.DiGraph() |
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36 B.add_edges_from([("A", "B"), ("B", "C"), ("C", "D")]) |
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37 G = junction_tree(B) |
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38 |
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39 J = nx.Graph() |
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40 J.add_edges_from( |
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41 [ |
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42 (("A", "B"), ("B",)), |
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43 (("B",), ("B", "C")), |
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44 (("B", "C"), ("C",)), |
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45 (("C",), ("C", "D")), |
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46 ] |
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47 ) |
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48 assert nx.is_isomorphic(G, J) |
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49 |
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50 |
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51 def test_junction_tree_directed_unconnected_edges(): |
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52 B = nx.DiGraph() |
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53 B.add_edges_from([("A", "B"), ("C", "D"), ("E", "F")]) |
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54 G = junction_tree(B) |
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55 |
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56 J = nx.Graph() |
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57 J.add_nodes_from([("A", "B"), ("C", "D"), ("E", "F")]) |
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58 |
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59 assert nx.is_isomorphic(G, J) |
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60 |
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61 |
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62 def test_junction_tree_undirected(): |
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63 B = nx.Graph() |
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64 B.add_edges_from([("A", "C"), ("A", "D"), ("B", "C"), ("C", "E")]) |
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65 G = junction_tree(B) |
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66 |
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67 J = nx.Graph() |
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68 J.add_edges_from( |
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69 [ |
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70 (("A", "D"), ("A",)), |
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71 (("A",), ("A", "C")), |
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72 (("A", "C"), ("C",)), |
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73 (("C",), ("B", "C")), |
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74 (("B", "C"), ("C",)), |
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75 (("C",), ("C", "E")), |
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76 ] |
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77 ) |
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78 |
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79 assert nx.is_isomorphic(G, J) |