Examples of weka.classifiers.trees.adtree.TwoWayNominalSplit

weka.classifiers.trees.adtree.TwoWayNominalSplit
Class representing a two-way split on a nominal attribute, of the form: either 'is some_value' or 'is not some_value'. @author Richard Kirkby (rkirkby@cs.waikato.ac.nz) @version $Revision: 1.6 $

    double[] indexAndZ = findLowestZNominalSplit(posInstances, negInstances, attIndex);


    if (indexAndZ[1] < m_search_smallestZ) {
      m_search_smallestZ = indexAndZ[1];
      m_search_bestInsertionNode = currentNode;
      m_search_bestSplitter = new TwoWayNominalSplit(attIndex, (int) indexAndZ[0]);
      m_search_bestPathPosInstances = posInstances;
      m_search_bestPathNegInstances = negInstances;
    }
  }

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    double[] indexAndZ = findLowestZNominalSplit(posInstances, negInstances, attIndex);


    if (indexAndZ[1] < m_search_smallestZ) {
      m_search_smallestZ = indexAndZ[1];
      m_search_bestInsertionNode = currentNode;
      m_search_bestSplitter = new TwoWayNominalSplit(attIndex, (int) indexAndZ[0]);
      m_search_bestPathPosInstances = posInstances;
      m_search_bestPathNegInstances = negInstances;
    }
  }

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Related Classes of weka.classifiers.trees.adtree.TwoWayNominalSplit

weka.classifiers.trees.ADTree

weka.core.Attribute

weka.core.Instance

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