code: public void createMeasureDimensionValueCombinationCrosstab(
              final Map<ValueCombination<Number>, Number> valueCombinations,
              final Crosstab<Number> valueCombinationCrosstab) {
  
          if (CrosstabReducerHelper.findDimension(valueCombinationCrosstab, BooleanAnalyzer.DIMENSION_MEASURE)) {
  
              final SortedSet<Entry<ValueCombination<Number>, Number>> entries =
                      new TreeSet<>(frequentValueCombinationComparator);
              entries.addAll(valueCombinations.entrySet());
  
              final CrosstabNavigator<Number> nav = new CrosstabNavigator<>(valueCombinationCrosstab);
              final CrosstabDimension measureDimension =
                      valueCombinationCrosstab.getDimension(BooleanAnalyzer.DIMENSION_MEASURE);
              final CrosstabDimension columnDimension =
                      valueCombinationCrosstab.getDimension(BooleanAnalyzer.DIMENSION_COLUMN);
              final List<String> columnDimCategories = columnDimension.getCategories();
              int row = 0;
              for (final Entry<ValueCombination<Number>, Number> entry : entries) {
  
                  // create the category
                  final String measureName;
                  if (row == 0) {
                      measureName = BooleanAnalyzer.MEASURE_MOST_FREQUENT;
                  } else if (row == entries.size() - 1) {
                      measureName = BooleanAnalyzer.MEASURE_LEAST_FREQUENT;
                  } else {
                      measureName = BooleanAnalyzer.DIMENSION_COMBINATION_PREFIX + row;
                  }
                  measureDimension.addCategory(measureName);
  
                  // extract data
                  final Number[] values = new Number[columnDimCategories.size()];
                  final ValueCombination<Number> key = entry.getKey();
                  for (int i = 0; i < key.getValueCount(); i++) {
                      values[i] = key.getValueAt(i);
                  }
                  values[columnDimCategories.size() - 1] = entry.getValue();
  
                  // put data into crosstab
                  for (int i = 0; i < columnDimCategories.size(); i++) {
                      nav.where(columnDimension, columnDimCategories.get(i));
                      nav.where(measureDimension, measureName);
                      nav.put(values[i]);
                  }
                  row++;
              }
          }
      }
docs: Creates the measure dimension based on the sorted value combinations
  
  @param valueCombinations
  @param valueCombinationCrosstab