示例#1
0
 public JSONObject saveSystem() {
   try {
     fs.setData(data);
     return fs.saveAsJSON();
   } catch (JSONException e) {
     System.out.println("could not create system JSON: " + e.getMessage());
     return null;
   }
 }
示例#2
0
 public void loadSystem(JSONObject system, Instances data) {
   try {
     if (fs == null) fs = new FuzzySystem();
     fs.setData(data);
     fs.loadFromJSON(system);
   } catch (JSONException e) {
     System.out.println("could not create system JSON: " + e.getMessage());
     return;
   }
 }
示例#3
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 public JSONObject getSystemJSON() {
   try {
     return fs.toJSON();
   } catch (JSONException e) {
     System.out.println("could not create system JSON: " + e.getMessage());
     return null;
   }
 }
示例#4
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  /**
   * Name: createClassifier Goal: Evolves a fuzzy system according to given options and dataset
   *
   * @param train_data: the data used to compute performance of a system and provide data
   *     information
   * @param options: the options used to control the genetic algorithm
   * @return boolean: indicates if creation was successful or not
   */
  public boolean createClassifier(Object train_data, String options) {
    try {
      this.setOptions(weka.core.Utils.splitOptions(options));
    } catch (Exception e) {
      this.appendError(this.getClass().getName(), "Option not recognised: " + e.getMessage());
      System.out.println("option non reconnue:");
      System.out.println(e.getMessage());
      return false;
    }

    // construction du classificateur
    // les options sont separee pour plus de lisibilite en cas d'erreur
    Instances data = null;
    if (train_data instanceof String)
      data = DataLoader.loadData(null, null, (String) train_data, true, -1);
    else if (train_data instanceof Instances) data = (Instances) train_data;
    else {
      System.out.println("train data not supported!");
      this.appendError(this.getClass().getName(), "Training data format not supported");
      return false;
    }
    this.data = data;
    Coevolution ce =
        new Coevolution(
            data,
            mutation_rate,
            crossover_rate,
            selection_rate,
            pop_size,
            num_generations,
            is_binary,
            selection_algorithm,
            error_algorithm,
            elitism_rate,
            tournament_size,
            classification_weight,
            error_weight,
            rule_number_weight,
            var_per_rule_weight,
            rule_count);
    fs = ce.evolveSystem();
    fs.setData(data);
    best_fitnesses = ce.getBestFitnesses();
    if (getLogLevel() > 2)
      this.appendInfo(this.getClass().getName(), "Classifier was successfully created and trained");
    return true;
  } /*end createClassifier*/
示例#5
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  /**
   * Name: main Goal: example of JFuge's usage
   *
   * @param args: not used
   */
  public static void main(String[] args) {
    Instances train_data =
        DataLoader.loadData(
            null,
            null,
            "/Users/numa/NUMA/Dossier Ecole/HEIG/Semestre 7/PDB/code/PDB_Trezzini/src/org/cheminfo/scripting/data/iris_train.arff",
            true,
            -1);
    Instances test_data =
        DataLoader.loadData(
            null,
            null,
            "/Users/numa/NUMA/Dossier Ecole/HEIG/Semestre 7/PDB/code/PDB_Trezzini/src/org/cheminfo/scripting/data/iris_test.arff",
            true,
            -1);
    double mutation_rate = 0.1;
    double crossover_rate = 0.2;
    double selection_rate = -1;
    int num_generations = 100;
    String selection_algorithm = TOURNAMENT_SELECTION;
    String error_algorithm = ERROR_MSE;
    double elitism_rate = 0.1;
    int tournament_size = 10;
    int pop = 200;
    double classification_weight = 1;
    double error_weight = 0;
    double rule_number_weight = 0;
    double var_per_rule_weight = 0.1;
    int rule_count = 5;
    FuzzySystem fs = null;
    double max = 0;
    for (int i = 0; i < 1; i++) {
      Coevolution ce =
          new Coevolution(
              train_data,
              mutation_rate,
              crossover_rate,
              selection_rate,
              pop,
              num_generations,
              false,
              selection_algorithm,
              error_algorithm,
              elitism_rate,
              tournament_size,
              classification_weight,
              error_weight,
              rule_number_weight,
              var_per_rule_weight,
              rule_count);
      FuzzySystem best = ce.evolveSystem();
      System.out.println(best);
      if (best.getFitness() > max) {
        fs = best;
        max = best.getFitness();
      }
      // System.out.println(best);
      System.out.println(i + ": " + best.getFitness());
    }
    System.out.println(fs);
    System.out.println(max);
    double[] classif = fs.classifyInstances(test_data);
    double[][] distrib = fs.distributionForInstances(test_data);
    for (int i = 0; i < classif.length; i++) {
      System.out.println(classif[i]);
    }

    for (int i = 0; i < distrib.length; i++) {
      for (int j = 0; j < distrib[i].length; j++) {
        System.out.print(distrib[i][j] + " ");
      }
      System.out.println();
    }
  } /*end main*/
示例#6
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 /**
  * Name: distributionForInstances
  *
  * @param test_data: the data to classify
  * @return double[][]: the distribution for each instance
  */
 public double[][] distributionForInstances(Instances test_data) {
   return fs.distributionForInstances(test_data);
 }
示例#7
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 /**
  * Name: classifyInstances Goal: classifies each instance of the given dataset according to the
  * predictions made by the fuzzy system
  *
  * @param test_data: the data to classify
  * @return double[]: the classification for each instance
  */
 public double[] classifyInstances(Instances test_data) {
   double[] result = fs.classifyInstances(test_data);
   return result;
 } /*end distributionForInstance*/