adaboosttest.java

Boosting算法软件包

/*
 * Created on Dec 29, 2003
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package jboost.booster;

import jboost.examples.Label;

/**
 * @author cschavis
 *
 * To change the template for this generated type comment go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
public class AdaBoostTest extends AbstractBoosterTest {

    AdaBoost m_adaBoost;
    /**
     * Constructor for AdaBoostTest.
     * @param arg0
     */
    public AdaBoostTest(String arg0) {
        super(arg0);
    }

    /*
     * @see TestCase#setUp()
     */
    protected void setUp() throws Exception {
        m_odd= new AdaBoost();
        m_even= new AdaBoost();
        m_allTrue= new AdaBoost();
        m_allFalse= new AdaBoost();
        m_adaBoost= new AdaBoost();
        m_solitaires= new AdaBoost[COUNT];
        for (int i=0; i < COUNT; i++) {
            m_solitaires[i]= new AdaBoost();
        }
        super.setUp();
    }

    final public void testAddExample() {
        //TODO Implement addExample().
    }

    final public void testFinalizeData() {
        //TODO Implement finalizeData().
    }

    final public void testClear() {
        //TODO Implement clear().
    }

    /*
     * Test for Bag newBag(int[])
     */
    final public void testNewBagintArray() {
        //TODO Implement newBag().
    }

    /*
     * Test for Bag newBag()
     */
    final public void testNewBag() {
        //TODO Implement newBag().
    }

    /*
     * Test for Bag newBag(Bag)
     */
    final public void testNewBagBag() {
        //TODO Implement newBag().
    }
    
    public final void testUpdate() {
      //TODO Implement update().
      // fill in booster
      int[] indices= new int[COUNT];
      int[] ones= new int[COUNT/2];
      int[] zeroes= new int[COUNT/2];
      for (int i=0; i < COUNT/2; i++) {
        m_adaBoost.addExample(i, new Label(0));
        indices[i]= i;
        zeroes[i]= i;
      }
      for (int i=COUNT/2, j=0; i < COUNT; i++, j++) {
        m_adaBoost.addExample(i, new Label(1));
        indices[i]= i;
        ones[j]= i;
      }
      m_adaBoost.finalizeData();
      for (int i=0; i < zeroes.length; i++) {
        zeroes[i]= indices[COUNT/2 + i];
        Prediction p1= m_adaBoost.getPrediction(m_adaBoost.newBag(zeroes));
        m_adaBoost.update(new Prediction[] {p1}, new int[][] {zeroes});
        for (int j=0; j < zeroes.length; j++) {
          int index= zeroes[j];
          double weight= m_adaBoost.m_weights[index];
          double margin= m_adaBoost.m_margins[index];
          assertEquals(weight, Math.exp(-margin), 0.00001);
        }
      }
      
      for (int i=0; i < ones.length; i++) {
        ones[i]= indices[COUNT/2 + i];
        Prediction p1= m_adaBoost.getPrediction(m_adaBoost.newBag(ones));
        m_adaBoost.update(new Prediction[] {p1}, new int[][] {ones});
        for (int j=0; j < ones.length; j++) {
          int index= ones[j];
          double weight= m_adaBoost.m_weights[index];
          double margin= m_adaBoost.m_margins[index];
          assertEquals(weight, Math.exp(-margin), 0.00001);
        }
      }
    }
    
    final public void testGetPredictions() {
        //TODO Implement getPredictions().
    }

    final public void testGetTheoryBound() {
        //TODO Implement getTheoryBound().
    }

    final public void testGetMargins() {
        //TODO Implement getMargins().
    }

    /*
     * Test for void AdaBoost()
     */
    final public void testAdaBoost() {
        //TODO Implement AdaBoost().
    }

    /*
     * Test for void AdaBoost(double)
     */
    final public void testAdaBoostdouble() {
        //TODO Implement AdaBoost().
    }

    final public void testGetPrediction() {
        //TODO Implement getPrediction().
    }

}