List of rootMeanSquaredError() Examples

Examples of rootMeanSquaredError()

weka.classifiers.Evaluation.rootMeanSquaredError()
Returns the root mean squared error. @return the root mean squared error

Examples of weka.classifiers.Evaluation.rootMeanSquaredError()

    if (expansion==0) {
      m_roots[i].m_isLeaf = true;
      eval = new Evaluation(test[i]);
      eval.evaluateModel(m_roots[i], test[i]);
      if (m_UseErrorRate) expansionError += eval.errorRate();
      else expansionError += eval.rootMeanSquaredError();
      count ++;
    }


    // make tree - expand one node at a time
    else {

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Examples of weka.classifiers.Evaluation.rootMeanSquaredError()

        continue;
      }
      eval = new Evaluation(test[i]);
      eval.evaluateModel(m_roots[i], test[i]);
      if (m_UseErrorRate) expansionError += eval.errorRate();
      else expansionError += eval.rootMeanSquaredError();
      count ++;
    }
  }


  // no tree can be expanded any more

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Examples of weka.classifiers.Evaluation.rootMeanSquaredError()

  m_roots[i].m_isLeaf = true;
  Evaluation eval = new Evaluation(test[i]);
  eval.evaluateModel(m_roots[i], test[i]);
  double error;
  if (m_UseErrorRate) error = eval.errorRate();
  else error = eval.rootMeanSquaredError();
  modelError[i].addElement(new Double(error));


  m_roots[i].m_isLeaf = false;
  BFTree nodeToSplit = (BFTree)
  (((FastVector)(parallelBFElements[i].elementAt(0))).elementAt(0));

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Examples of weka.classifiers.Evaluation.rootMeanSquaredError()


  Evaluation eval = new Evaluation(test);
  eval.evaluateModel(root, test);
  double error;
  if (useErrorRate) error = eval.errorRate();
  else error = eval.rootMeanSquaredError();
  modelError.addElement(new Double(error));
      }


      if (BestFirstElements.size()!=0) {
  FastVector nextSplitElement = (FastVector)BestFirstElements.elementAt(0);

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Examples of weka.classifiers.Evaluation.rootMeanSquaredError()

      }
      buildLinearModel(m_indices);
    }
    nodeModelEval = new Evaluation(m_instances);
    nodeModelEval.evaluateModel(m_nodeModel, m_instances);
    m_rootMeanSquaredError = nodeModelEval.rootMeanSquaredError();
    // save space
    if (!m_saveInstances) {
      m_instances = new Instances(m_instances, 0);
    }
  }

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Examples of weka.classifiers.Evaluation.rootMeanSquaredError()


      // count the constant term as a paramter for a leaf
      // Evaluate the model
      nodeModelEval.evaluateModel(m_nodeModel, m_instances);


      m_rootMeanSquaredError = nodeModelEval.rootMeanSquaredError();
    } else {


      // Prune the left and right subtrees
      if (m_left != null) {
  m_left.prune();

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Examples of weka.classifiers.Evaluation.rootMeanSquaredError()

      double rmsModel;
      double adjustedErrorModel;


      nodeModelEval.evaluateModel(m_nodeModel, m_instances);


      rmsModel = nodeModelEval.rootMeanSquaredError();
      adjustedErrorModel = rmsModel 
  * pruningFactor(m_numInstances, 
      m_nodeModel.numParameters() + 1);


      // Evaluate this node (ie its left and right subtrees)

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Examples of weka.classifiers.Evaluation.rootMeanSquaredError()

      double     adjustedErrorNode;
      int   l_params = 0, r_params = 0;


      nodeEval.evaluateModel(this, m_instances);


      rmsSubTree = nodeEval.rootMeanSquaredError();


      if (m_left != null) {
  l_params = m_left.numParameters();
      }

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Examples of weka.classifiers.Evaluation.rootMeanSquaredError()

    result[current++] = new Double(eval.pctUnclassified());
    result[current++] = new Double(eval.totalCost());
    result[current++] = new Double(eval.avgCost());
    
    result[current++] = new Double(eval.meanAbsoluteError());
    result[current++] = new Double(eval.rootMeanSquaredError());
    result[current++] = new Double(eval.relativeAbsoluteError());
    result[current++] = new Double(eval.rootRelativeSquaredError());
    
    result[current++] = new Double(eval.SFPriorEntropy());
    result[current++] = new Double(eval.SFSchemeEntropy());

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Examples of weka.classifiers.Evaluation.rootMeanSquaredError()

    int current = 0;
    result[current++] = new Double(train.numInstances());
    result[current++] = new Double(eval.numInstances());


    result[current++] = new Double(eval.meanAbsoluteError());
    result[current++] = new Double(eval.rootMeanSquaredError());
    result[current++] = new Double(eval.relativeAbsoluteError());
    result[current++] = new Double(eval.rootRelativeSquaredError());
    result[current++] = new Double(eval.correlationCoefficient());


    result[current++] = new Double(eval.SFPriorEntropy());

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