Ejemplo n.º 1
0
 public void internalValidationCalibration(ILCSMetric selfAcc) {
   final VotingClassificationStrategy str =
       rep
       .new VotingClassificationStrategy(
           (float) SettingsLoader.getNumericSetting("datasetLabelCardinality", 1));
   rep.setClassificationStrategy(str);
   final InternalValidation ival = new InternalValidation(this, str, selfAcc);
   ival.calibrate(10);
 }
Ejemplo n.º 2
0
  public VotingClassificationStrategy proportionalCutCalibration() {
    final VotingClassificationStrategy str =
        rep
        .new VotingClassificationStrategy(
            (float) SettingsLoader.getNumericSetting("datasetLabelCardinality", 1));
    rep.setClassificationStrategy(str);

    str.proportionalCutCalibration(this.instances, rulePopulation);
    return str;
  }
Ejemplo n.º 3
0
  /**
   * Constructor.
   *
   * @throws IOException
   */
  public GMlASLCS2() throws IOException {
    inputFile = SettingsLoader.getStringSetting("filename", "");
    numberOfLabels = (int) SettingsLoader.getNumericSetting("numberOfLabels", 1);
    iterations = (int) SettingsLoader.getNumericSetting("trainIterations", 1000);
    populationSize = (int) SettingsLoader.getNumericSetting("populationSize", 1500);

    final IGeneticAlgorithmStrategy ga =
        new SteadyStateGeneticAlgorithm(
            new RouletteWheelSelector(AbstractUpdateStrategy.COMPARISON_MODE_EXPLORATION, true),
            new SinglePointCrossover(this),
            CROSSOVER_RATE,
            new UniformBitMutation(MUTATION_RATE),
            THETA_GA,
            this);

    rep =
        new GenericMultiLabelRepresentation(
            inputFile,
            PRECISION_BITS,
            numberOfLabels,
            GenericMultiLabelRepresentation.EXACT_MATCH,
            LABEL_GENERALIZATION_RATE,
            ATTRIBUTE_GENERALIZATION_RATE,
            this);
    rep.setClassificationStrategy(rep.new BestFitnessClassificationStrategy());

    final MlASLCS2UpdateAlgorithm strategy =
        new MlASLCS2UpdateAlgorithm(
            ASLCS_N, ASLCS_ACC0, ASLCS_EXPERIENCE_THRESHOLD, ga, numberOfLabels, this);

    this.setElements(rep, strategy);

    rulePopulation =
        new ClassifierSet(
            new FixedSizeSetWorstFitnessDeletion(
                this,
                populationSize,
                new RouletteWheelSelector(AbstractUpdateStrategy.COMPARISON_MODE_DELETION, true)));
  }
Ejemplo n.º 4
0
 public void useBestClassificationMode() {
   rep.setClassificationStrategy(rep.new BestFitnessClassificationStrategy());
 }