org.dmg.pmml.tree.Node类的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中org.dmg.pmml.tree.Node类的一些代码示例，展示了Node类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Node类的具体详情如下：
包路径：org.dmg.pmml.tree.Node
类名称：Node

Node介绍

暂无

代码示例

代码示例来源：origin: OryxProject/oryx

Preconditions.checkState(classificationTask == inputSchema.isClassification());
Node root = new Node();
root.setId("r");
 modelNode.setPredicate(predicate);
 modelNode.setRecordCount((double) nodeCount);
     modelNode.addScoreDistributions(distribution);
   modelNode.setScore(Double.toString(targetEncodedValue));
  Node positiveModelNode = new Node().setId(modelNode.getId() + '+');
  Node negativeModelNode = new Node().setId(modelNode.getId() + '-');
  modelNode.addNodes(positiveModelNode, negativeModelNode);
  modelNode.setDefaultChild(defaultRight ? positiveModelNode.getId() : negativeModelNode.getId());

代码示例来源：origin: OryxProject/oryx

String id = root.getId();
List<Node> children = root.getNodes();
if (children.isEmpty()) {
 Collection<ScoreDistribution> scoreDistributions = root.getScoreDistributions();
 Prediction prediction;
 if (scoreDistributions != null && !scoreDistributions.isEmpty()) {
  prediction = new NumericPrediction(Double.parseDouble(root.getScore()),
                    (int) Math.round(root.getRecordCount()));
Node negativeLeftChild;
Node positiveRightChild;
if (child1.getPredicate() instanceof True) {
 negativeLeftChild = child1;
 positiveRightChild = child2;
} else {
 Preconditions.checkArgument(child2.getPredicate() instanceof True);
 negativeLeftChild = child2;
 positiveRightChild = child1;
Predicate predicate = positiveRightChild.getPredicate();
boolean defaultDecision = positiveRightChild.getId().equals(root.getDefaultChild());

代码示例来源：origin: OryxProject/oryx

private static void checkNode(Node node) {
 assertNotNull(node.getId());
 List<ScoreDistribution> scoreDists = node.getScoreDistributions();
 int numDists = scoreDists.size();
 if (numDists == 0) {
  List<Node> children = node.getNodes();
  assertEquals(2, children.size());
  Node rightChild = children.get(0);
  Node leftChild = children.get(1);
  assertInstanceOf(leftChild.getPredicate(), True.class);
  assertEquals(node.getRecordCount().doubleValue(),
         leftChild.getRecordCount() + rightChild.getRecordCount());
  assertEquals(node.getId() + "+", rightChild.getId());
  assertEquals(node.getId() + "-", leftChild.getId());
  checkNode(rightChild);
  checkNode(leftChild);

代码示例来源：origin: org.jpmml/jpmml-xgboost

@Override
public void enterNode(Node node){
  String id = node.getId();
  Object score = node.getScore();
  String defaultChild = node.getDefaultChild();
  if(node.hasNodes()){
    List<Node> children = node.getNodes();
    Node secondChild = children.get(1);
    if((defaultChild).equals(firstChild.getId())){
      children = swapChildren(node);
    } else
    if((defaultChild).equals(secondChild.getId())){
    node.setDefaultChild(null);
    secondChild.setPredicate(new True());
  } else
  node.setId(null);

代码示例来源：origin: org.jpmml/pmml-model

value.setId(node.getId());
value.setScore(node.getScore());
value.setRecordCount(node.getRecordCount());
value.setDefaultChild(node.getDefaultChild());
if(node.hasExtensions()){
  (value.getExtensions()).addAll(node.getExtensions());
value.setPredicate(node.getPredicate());
value.setPartition(node.getPartition());
if(node.hasScoreDistributions()){
  (value.getScoreDistributions()).addAll(node.getScoreDistributions());
if(node.hasNodes()){
  (value.getNodes()).addAll(node.getNodes());
value.setEmbeddedModel(node.getEmbeddedModel());

代码示例来源：origin: jpmml/jpmml-sklearn

@Override
public void enterNode(Node node){
  String id = node.getId();
  Object score = node.getScore();
  if(node.hasNodes()){
    List<Node> children = node.getNodes();
    Node secondChild = children.get(1);
    Predicate firstPredicate = firstChild.getPredicate();
    Predicate secondPredicate = secondChild.getPredicate();
    secondChild.setPredicate(new True());
  } else
  node.setId(null);

代码示例来源：origin: jpmml/jpmml-r

static
  public ComplexNode toComplexNode(Node node){
    ComplexNode result = new ComplexNode()
      .setId(node.getId())
      .setScore(node.getScore())
      .setRecordCount(node.getRecordCount())
      .setDefaultChild(node.getDefaultChild())
      .setPredicate(node.getPredicate());

    if(node.hasNodes()){
      (result.getNodes()).addAll(node.getNodes());
    } // End if

    if(node.hasScoreDistributions()){
      (result.getScoreDistributions()).addAll(node.getScoreDistributions());
    }

    return result;
  }
}

代码示例来源：origin: org.jpmml/jpmml-xgboost

.setId(id)
.setDefaultChild(defaultLeft ? leftChild.getId() : rightChild.getId())
.setPredicate(predicate)
.addNodes(leftChild, rightChild);

代码示例来源：origin: OryxProject/oryx

Node rootNode = new Node().setId("r").setRecordCount(dummyCount).setPredicate(new True());
Node left = new Node()
  .setId("r-")
  .setRecordCount(halfCount)
  .setPredicate(new True())
  .setScore("-2.0");
Node right = new Node().setId("r+").setRecordCount(halfCount)
  .setPredicate(new SimplePredicate(FieldName.create("foo"),
                   SimplePredicate.Operator.GREATER_THAN).setValue("3.14"))
  .setScore("2.0");
rootNode.addNodes(right, left);

代码示例来源：origin: cheng-li/pyramid

private void encodeNode(org.dmg.pmml.tree.Node parent, int index, Schema schema){
  parent.setId(String.valueOf(index + 1));
  Node node = allNodes.get(index);
  if(!node.isLeaf()){
    int splitIndex = node.getFeatureIndex();
    Feature feature = schema.getFeature(splitIndex);
    org.dmg.pmml.tree.Node leftChild = new org.dmg.pmml.tree.Node()
        .setPredicate(encodePredicate(feature, node, true));
    encodeNode(leftChild, node.getLeftChild().getId(), schema);
    org.dmg.pmml.tree.Node rightChild = new org.dmg.pmml.tree.Node()
        .setPredicate(encodePredicate(feature, node, false));
    encodeNode(rightChild, node.getRightChild().getId(), schema);
    parent.addNodes(leftChild, rightChild);
    boolean defaultLeft = false;
    parent.setDefaultChild(defaultLeft ? leftChild.getId() : rightChild.getId());
  } else
  {
    float value = (float)node.getValue();
    parent.setScore(ValueUtil.formatValue(value));
  }
}

代码示例来源：origin: OryxProject/oryx

Node rootNode = new Node().setId("r").setRecordCount(dummyCount).setPredicate(new True());
Node left = new Node().setId("r-").setRecordCount(halfCount).setPredicate(new True());
left.addScoreDistributions(new ScoreDistribution("apple", halfCount));
Node right = new Node().setId("r+").setRecordCount(halfCount)
  .setPredicate(new SimpleSetPredicate(FieldName.create("color"),
                     SimpleSetPredicate.BooleanOperator.IS_NOT_IN,
                     new Array(Array.Type.STRING, "red")));
right.addScoreDistributions(new ScoreDistribution("banana", halfCount));
rootNode.addNodes(right, left);

代码示例来源：origin: jpmml/jpmml-evaluator

@Override
public VisitorAction visit(Node node){
  if(node.hasNodes()){
    List<Node> nodes = node.getNodes();
    Collections.sort(nodes, NodeSorter.COMPARATOR);
  }
  return super.visit(node);
}

代码示例来源：origin: jpmml/jpmml-lightgbm

.setId(id)
.setDefaultChild(defaultLeft ? leftChild.getId() : rightChild.getId())
.setRecordCount((double)this.internal_count_[index])
.setPredicate(predicate)
.addNodes(leftChild, rightChild);
.setScore(this.leaf_value_[index])
.setRecordCount((double)this.leaf_count_[index])
.setPredicate(predicate);

代码示例来源：origin: org.jpmml/pmml-model

@Override
public Node unmarshal(ComplexNode value){
  if(value.getRecordCount() != null){
    return value;
  } // End if
  if(value.hasExtensions() || (value.getPartition() != null) || value.hasScoreDistributions() || (value.getEmbeddedModel() != null)){
    return value;
  }
  Node node;
  if(value.hasNodes()){
    node = new BranchNode()
      .setId(value.getId())
      .setDefaultChild(value.getDefaultChild());
    (node.getNodes()).addAll(value.getNodes());
  } else
  {
    node = new LeafNode()
      .setId(value.getId());
  }
  node
    .setScore(value.getScore())
    .setPredicate(value.getPredicate());
  return node;
}

代码示例来源：origin: jpmml/jpmml-evaluator

private Trail handleDefaultChild(Trail trail, Node node, EvaluationContext context){
  // "The defaultChild missing value strategy requires the presence of the defaultChild attribute in every non-leaf Node"
  String defaultChild = node.getDefaultChild();
  if(defaultChild == null){
    throw new MissingAttributeException(node, PMMLAttributes.NODE_DEFAULTCHILD);
  }
  trail.addMissingLevel();
  List<Node> children = node.getNodes();
  for(int i = 0, max = children.size(); i < max; i++){
    Node child = children.get(i);
    String id = child.getId();
    if(id != null && (id).equals(defaultChild)){
      // The predicate of the referenced Node is not evaluated
      return handleTrue(trail, child, context);
    }
  }
  // "Only Nodes which are immediate children of the respective Node can be referenced"
  throw new InvalidAttributeException(node, PMMLAttributes.NODE_DEFAULTCHILD, defaultChild);
}

代码示例来源：origin: jpmml/jpmml-sklearn

@Override
  public VisitorAction visit(Node node){
    if(node.getScore() != null){
      double nodeDepth = 0d;
      Deque<PMMLObject> parents = getParents();
      for(PMMLObject parent : parents){
        if(!(parent instanceof Node)){
          break;
        }
        nodeDepth++;
      }
      double nodeSample = this.nodeSamples[Integer.parseInt(node.getId())];
      double averagePathLength = (corrected ? correctedAveragePathLength(nodeSample) : averagePathLength(nodeSample));
      node.setScore(nodeDepth + averagePathLength);
    }
    return super.visit(node);
  }
};

代码示例来源：origin: jpmml/jpmml-sklearn

static
private Iterator<Node> getChildren(Node node){
  Predicate predicate = node.getPredicate();
  if(node.hasNodes()){
    List<Node> children = node.getNodes();
      Predicate childPredicate = child.getPredicate();

代码示例来源：origin: jpmml/jpmml-model

.setPredicate(new True());
List<Node> nodes = node1a.getNodes();
assertEquals(node1a.getId(), jaxbNode1a.getId());
List<Node> jaxbNodes = jaxbNode1a.getNodes();
assertEquals(node2a.getId(), jaxbNode2a.getId());
assertTrue(jaxbNode2a.hasExtensions());
assertEquals(node2b.getId(), jaxbNode2b.getId());

代码示例来源：origin: jpmml/jpmml-model

@Override
  public VisitorAction visit(Node node){
    MathContext mathContext = this.mathContext;

    if(mathContext != null && node.hasScore()){
      Object score = node.getScore();

      if(score instanceof String){
        String stringScore = (String)score;

        try {
          switch(mathContext){
            case DOUBLE:
              node.setScore(Double.parseDouble(stringScore));
              break;
            case FLOAT:
              node.setScore(Float.parseFloat(stringScore));
              break;
            default:
              break;
          }
        } catch(NumberFormatException nfe){
          // Ignored
        }
      }
    }

    return super.visit(node);
  }
}

代码示例来源：origin: jpmml/jpmml-sparkml

Node leftChild = new Node()
    .setPredicate(leftPredicate);
  Node rightChild = new Node()
    .setPredicate(rightPredicate);
  node.addNodes(leftChild, rightChild);
} else

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