Exemplo n.º 1
0
  /** Classifies the test set */
  public void classifyTest() {

    // Start of training time
    Timer.resetTime();

    classifyTestSet();

    // End of test time
    Timer.setTestTime();

    // Showing results
    System.out.println(name + " " + relation + " Test " + Timer.getTestTime() + "s");
  } // end-method
Exemplo n.º 2
0
  /** Generates the model of the algorithm */
  public void generateModel() {

    double newEpsilon;

    // Start of model time
    Timer.resetTime();

    double term = 0.7 / (double) (nClasses - 1);

    // Initialization of the membership matrix
    // 0.7 is assigned to the labeled instance in the training
    // set. 0.3 is split between the rest of classes
    for (int i = 0; i < trainData.length; i++) {
      Arrays.fill(membership[i], term);
      membership[i][trainOutput[i]] = 0.3;
    }

    epsilon = Double.MAX_VALUE;
    newEpsilon = Double.MAX_VALUE;

    int iterations = 0;
    do {

      epsilon = newEpsilon;
      computeCentroids();

      newEpsilon = computeMembership();

      System.out.println("Iteration " + iterations + " Error: " + newEpsilon);
      iterations++;
    } while ((Math.abs(epsilon - newEpsilon) > delta) && (iterations < maxIterations));

    // End of model time
    Timer.setModelTime();

    // Showing results
    System.out.println(name + " " + relation + " Model " + Timer.getModelTime() + "s");
  } // end-method