Examples of quickSort()

Examples of org.apache.mahout.math.list.IntArrayList.quickSort()

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  /* Y' Y */
  private Matrix getYtransposeY(OpenIntObjectHashMap<Vector> Y) {

    IntArrayList indexes = Y.keys();
    indexes.quickSort();
    int numIndexes = indexes.size();

    double[][] YtY = new double[numFeatures][numFeatures];

    // Compute Y'Y by dot products between the 'columns' of Y
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Examples of org.apache.mahout.math.list.IntArrayList.quickSort()

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  /* Y' Y */
  private Matrix YtransposeY(OpenIntObjectHashMap<Vector> Y) {

    Matrix compactedY = new DenseMatrix(Y.size(), numFeatures);
    IntArrayList indexes = Y.keys();
    indexes.quickSort();

    int row = 0;
    for (int index : indexes.elements()) {
      compactedY.assignRow(row++, Y.get(index));
    }
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Examples of umontreal.iro.lecuyer.stat.TallyStore.quickSort()

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      renderer = new EmpiricalRenderer();
      XYSeriesCollection tempSeriesCollection = (XYSeriesCollection)seriesCollection;

      for (int j = 0; j < tallies.length; j++) {
         TallyStore temp = tallies[j];
         temp.quickSort();
         double[] array = temp.getArray();
         XYSeries serie = new XYSeries(" ");
         serie.add(setZeroPoint(array[0]), 0); // correct x-value of zero point will be set later
         for (int k = 0; k < tallies[j].numberObs(); k++)
            serie.add(array[k], (double)(k + 1)/tallies[j].numberObs());
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