Examples of weka.core.pmml.VectorInstance

weka.core.pmml.VectorInstance
Class encapsulating a PMML VectorInstance construct @author Mark Hall (mhall{[at]}pentaho{[dot]}com) @version $Revision: 6466 $

     * @return the result of the kernel evaluation
     * @throws Exception if something goes wrong
     */
    public double evaluate(VectorInstance x, VectorInstance y)
    throws Exception {
      VectorInstance diff = x.subtract(y);
      double result = -m_gamma * diff.dotProduct(diff);


      return Math.exp(result);    
    }

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     * @return the result of the kernel evaluation
     * @throws Exception if something goes wrong
     */
    public double evaluate(VectorInstance x, double[] y)
      throws Exception {
      VectorInstance diff = x.subtract(y);
//      System.err.println("diff: " + diff.getValues());
      double result = -m_gamma * diff.dotProduct(diff);
//      System.err.println("Result: " + result);
      return Math.exp(result);
    }

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          NodeList allTheVectorsL = 
            vectors.getElementsByTagName("SupportVector");
          for (int i = 0; i < allTheVectorsL.getLength(); i++) {
            Node vec = allTheVectorsL.item(i);
            String vecId = ((Element)vec).getAttribute("vectorId");
            VectorInstance suppV = dictionary.getVector(vecId);
            if (suppV == null) {
              throw new Exception("[SupportVectorMachine] : can't find " +
                  "vector with ID: " + vecId + " in the " +
              "vector dictionary!");
            }

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Related Classes of weka.core.pmml.VectorInstance

weka.classifiers.pmml.consumer.SupportVectorMachineModel$RadialBasisKernel

weka.classifiers.pmml.consumer.SupportVectorMachineModel$SupportVectorMachine

org.w3c.dom.NodeList

org.w3c.dom.Element

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