List of backwardEliminate() Examples

Examples of backwardEliminate()

weka.classifiers.meta.ensembleSelection.ModelBag.backwardEliminate()
Find the model whose removal will help the ensemble's performance the most, and remove it. If there is only one model left, we leave it in. If we can remove a model, we always do, even if it hurts performance. @param instances The data set, for calculating performance @param metric Metric to optimize for. See EnsembleMetricHelper. @throws Exception if something goes wrong

Examples of weka.classifiers.meta.ensembleSelection.ModelBag.backwardEliminate()

  for (int j = 0; j < getHillclimbIterations(); ++j) {
    if (m_algorithm == ALGORITHM_FORWARD) {
      modelBag.forwardSelect(getReplacement(), data,
    m_hillclimbMetric);
    } else if (m_algorithm == ALGORITHM_BACKWARD) {
      modelBag.backwardEliminate(data, m_hillclimbMetric);
    } else if (m_algorithm == ALGORITHM_FORWARD_BACKWARD) {
      modelBag.forwardSelectOrBackwardEliminate(
    getReplacement(), data, m_hillclimbMetric);
    }
  }

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