Beispiel #1
0
  public List<Triple> getUnshieldedCollidersFromGraph(Graph graph) {
    List<Triple> colliders = new ArrayList<>();

    List<Node> nodes = graph.getNodes();

    for (Node b : nodes) {
      List<Node> adjacentNodes = graph.getAdjacentNodes(b);

      if (adjacentNodes.size() < 2) {
        continue;
      }

      ChoiceGenerator cg = new ChoiceGenerator(adjacentNodes.size(), 2);
      int[] combination;

      while ((combination = cg.next()) != null) {
        Node a = adjacentNodes.get(combination[0]);
        Node c = adjacentNodes.get(combination[1]);

        // Skip triples that are shielded.
        if (graph.isAdjacentTo(a, c)) {
          continue;
        }

        if (graph.isDefCollider(a, b, c)) {
          colliders.add(new Triple(a, b, c));
        }
      }
    }

    return colliders;
  }
Beispiel #2
0
 private void printWrongColliderMessage(Node a, Node b, Node c, String location) {
   if (truePag != null && graph.isDefCollider(a, b, c) && !truePag.isDefCollider(a, b, c)) {
     System.out.println(
         location + ": Orienting collider by mistake: " + a + "*->" + b + "<-*" + c);
   }
 }