Examples of FanInRandomizer

org.encog.mathutil.randomize.FanInRandomizer
A randomizer that attempts to create starting weight values that are conducive to propagation training. This is one of the best randomizers offered in Encog, however, the Nguyen Widrow method generally performs better. From: Neural Networks - A Comprehensive Foundation, Haykin, chapter 6.7 @author jheaton

Examples of org.encog.mathutil.randomize.FanInRandomizer


  public static void main(final String args[]) {


    RangeRandomizer rangeRandom = new RangeRandomizer(-1, 1);
    NguyenWidrowRandomizer nwrRandom = new NguyenWidrowRandomizer(-1, 1);
    FanInRandomizer fanRandom = new FanInRandomizer();
    GaussianRandomizer gaussianRandom = new GaussianRandomizer(0, 1);


    System.out.println("Error improvement, higher is better.");
    BasicMLDataSet training = new BasicMLDataSet(XOR_INPUT,
        XOR_IDEAL);

View Full Code Here

Examples of org.encog.mathutil.randomize.FanInRandomizer

  public void testFanIn()
  {    
    BasicNetwork network = EncogUtility.simpleFeedForward(5,10,15,20, true);
    double[] weights = network.getStructure().getFlat().getWeights();
    EngineArray.fill(weights, 100);
    (new FanInRandomizer()).randomize(network);
    System.out.println(network.dumpWeights());
    for(int i=0;i<weights.length;i++ )
    {
      Assert.assertTrue(weights[i]<10);
    }

View Full Code Here

Examples of org.encog.mathutil.randomize.FanInRandomizer

          network, new PilotScore(), 10, 2, 100);
    }
    else
    {
      train = new NeuralGeneticAlgorithm(
          network, new FanInRandomizer(), 
          new PilotScore(),500, 0.1, 0.25);
    }
    
    int epoch = 1;

View Full Code Here

Examples of org.encog.mathutil.randomize.FanInRandomizer

    case 1: // Nguyen-Widrow
      r = new NguyenWidrowRandomizer(dialog.getLow().getValue(), dialog
          .getHigh().getValue());
      break;
    case 2: // Fan in
      r = new FanInRandomizer(dialog.getLow().getValue(), dialog
          .getHigh().getValue(), false);
      break;
    }


    if (r != null) {

View Full Code Here

Examples of org.encog.mathutil.randomize.FanInRandomizer

  public void testFanIn()
  {    
    BasicNetwork network = EncogUtility.simpleFeedForward(5,10,15,20, true);
    double[] weights = network.getStructure().getFlat().getWeights();
    EngineArray.fill(weights, 100);
    (new FanInRandomizer()).randomize(network);
    System.out.println(network.dumpWeights());
    for(int i=0;i<weights.length;i++ )
    {
      Assert.assertTrue(weights[i]<10);
    }

View Full Code Here

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.