@Override
public int compare(AggregationIndividual i1, AggregationIndividual i2) {
PerformanceVector pv1 = i1.getPerformance();
PerformanceVector pv2 = i2.getPerformance();
return (-1)
* Double.compare(pv1.getCriterion(m).getFitness(), pv2.getCriterion(m).getFitness());
}
/**
* Returns true if the second performance vector is better in all fitness criteria than the first
* one (remember: the criteria should be maximized).
*/
public static boolean isDominated(AggregationIndividual i1, AggregationIndividual i2) {
PerformanceVector pv1 = i1.getPerformance();
PerformanceVector pv2 = i2.getPerformance();
double[][] performances = new double[pv1.getSize()][2];
for (int p = 0; p < performances.length; p++) {
performances[p][0] = pv1.getCriterion(p).getFitness();
performances[p][1] = pv2.getCriterion(p).getFitness();
}
boolean dominated = true;
for (int p = 0; p < performances.length; p++) {
dominated &= (performances[p][1] >= performances[p][0]);
}
boolean oneActuallyBetter = false;
for (int p = 0; p < performances.length; p++) {
oneActuallyBetter |= (performances[p][1] > performances[p][0]);
}
dominated &= oneActuallyBetter;
return dominated;
}
/** Can be used by subclasses to set the performance of the example set. */
protected final void setResult(PerformanceVector pv) {
this.lastMainPerformance = Double.NaN;
this.lastMainVariance = Double.NaN;
this.lastMainDeviation = Double.NaN;
this.lastFirstPerformance = Double.NaN;
this.lastSecondPerformance = Double.NaN;
this.lastThirdPerformance = Double.NaN;
if (pv != null) {
// main result
PerformanceCriterion mainCriterion = pv.getMainCriterion();
if ((mainCriterion == null)
&& (pv.size() > 0)) { // use first if no main criterion was defined
mainCriterion = pv.getCriterion(0);
}
if (mainCriterion != null) {
this.lastMainPerformance = mainCriterion.getAverage();
this.lastMainVariance = mainCriterion.getVariance();
this.lastMainDeviation = mainCriterion.getStandardDeviation();
}
if (pv.size() >= 1) {
PerformanceCriterion criterion = pv.getCriterion(0);
if (criterion != null) {
this.lastFirstPerformance = criterion.getAverage();
}
}
if (pv.size() >= 2) {
PerformanceCriterion criterion = pv.getCriterion(1);
if (criterion != null) {
this.lastSecondPerformance = criterion.getAverage();
}
}
if (pv.size() >= 3) {
PerformanceCriterion criterion = pv.getCriterion(2);
if (criterion != null) {
this.lastThirdPerformance = criterion.getAverage();
}
}
}
}
public void checkOutput(IOContainer output) throws MissingIOObjectException {
if (similarity.equals("Tree")) {
TreeDistance treedistance = output.get(TreeDistance.class);
for (int i = 0; i < expectedValues.length; i++) {
assertEquals(treedistance.similarity(first[i], second[i]), expectedValues[i]);
}
}
if (similarity.equals("Euclidean")) {
EuclideanDistance euclideandistance = output.get(EuclideanDistance.class);
for (int i = 0; i < expectedValues.length; i++) {
assertEquals(euclideandistance.similarity(first[i], second[i]), expectedValues[i]);
}
}
if (similarity.equals("Comparator")) {
PerformanceVector performancevector = output.get(PerformanceVector.class);
assertEquals(
expectedValues[0], performancevector.getCriterion("similarity").getAverage(), 0.00001);
}
}
public static int fillDataTable(
SimpleDataTable dataTable,
Map<String, double[]> lastPopulation,
Population pop,
boolean drawDominated) {
lastPopulation.clear();
dataTable.clear();
int numberOfCriteria = 0;
for (int i = 0; i < pop.getNumberOfIndividuals(); i++) {
boolean dominated = false;
if (!drawDominated) {
for (int j = 0; j < pop.getNumberOfIndividuals(); j++) {
if (i == j) continue;
if (NonDominatedSortingSelection.isDominated(pop.get(i), pop.get(j))) {
dominated = true;
break;
}
}
}
if (drawDominated || (!dominated)) {
StringBuffer id = new StringBuffer(i + " (");
PerformanceVector current = pop.get(i).getPerformance();
numberOfCriteria = Math.max(numberOfCriteria, current.getSize());
double[] data = new double[current.getSize()];
for (int d = 0; d < data.length; d++) {
data[d] = current.getCriterion(d).getFitness();
if (d != 0) id.append(", ");
id.append(Tools.formatNumber(data[d]));
}
id.append(")");
dataTable.add(new SimpleDataTableRow(data, id.toString()));
double[] weights = pop.get(i).getWeights();
double[] clone = new double[weights.length];
System.arraycopy(weights, 0, clone, 0, weights.length);
lastPopulation.put(id.toString(), clone);
}
}
return numberOfCriteria;
}
public PerformanceVectorViewer(
final PerformanceVector performanceVector, final IOContainer container) {
setLayout(new BorderLayout());
// all criteria
final CardLayout cardLayout = new CardLayout();
final JPanel mainPanel = new JPanel(cardLayout);
add(mainPanel, BorderLayout.CENTER);
List<String> criteriaNameList = new LinkedList<>();
for (int i = 0; i < performanceVector.getSize(); i++) {
PerformanceCriterion criterion = performanceVector.getCriterion(i);
criteriaNameList.add(criterion.getName());
JPanel component =
ResultDisplayTools.createVisualizationComponent(
criterion, container, "Performance Criterion", false);
JScrollPane criterionPane = new ExtendedJScrollPane(component);
criterionPane.setBorder(null);
criterionPane.setBackground(Colors.WHITE);
mainPanel.add(criterionPane, criterion.getName());
}
if (criteriaNameList.isEmpty()) {
remove(mainPanel);
add(new ResourceLabel("result_view.no_criterions"));
return;
}
String[] criteriaNames = new String[criteriaNameList.size()];
criteriaNameList.toArray(criteriaNames);
// selection list
final JList<String> criteriaList =
new JList<String>(criteriaNames) {
private static final long serialVersionUID = 3031125186920370793L;
@Override
public Dimension getPreferredSize() {
Dimension dim = super.getPreferredSize();
dim.width = Math.max(150, dim.width);
return dim;
}
};
criteriaList.setCellRenderer(new CriterionListCellRenderer());
criteriaList.setOpaque(false);
criteriaList.setBorder(BorderFactory.createTitledBorder("Criterion"));
criteriaList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
criteriaList.addListSelectionListener(
new ListSelectionListener() {
@Override
public void valueChanged(ListSelectionEvent e) {
String selected = criteriaList.getSelectedValue();
cardLayout.show(mainPanel, selected);
}
});
JScrollPane listScrollPane = new ExtendedJScrollPane(criteriaList);
listScrollPane.setBorder(BorderFactory.createEmptyBorder(0, 5, 0, 2));
add(listScrollPane, BorderLayout.WEST);
// select first criterion
criteriaList.setSelectedIndices(new int[] {0});
}
