/* * Encog(tm) Unit Tests v2.5 - Java Version * http://www.heatonresearch.com/encog/ * http://code.google.com/p/encog-java/ * Copyright 2008-2010 Heaton Research, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * For more information on Heaton Research copyrights, licenses * and trademarks visit: * http://www.heatonresearch.com/copyright */ package org.encog.neural.networks.training; import org.encog.mathutil.randomize.ConsistentRandomizer; import org.encog.mathutil.randomize.Randomizer; import org.encog.neural.data.NeuralDataSet; import org.encog.neural.data.basic.BasicNeuralDataSet; import org.encog.neural.networks.BasicNetwork; import org.encog.neural.networks.NetworkUtil; import org.encog.neural.networks.XOR; import org.encog.neural.networks.training.propagation.resilient.ResilientPropagation; import org.encog.util.logging.Logging; import org.encog.util.simple.EncogUtility; import junit.framework.Assert; import junit.framework.TestCase; public class TrainComplete extends TestCase { public void testCompleteTrain() { Logging.stopConsoleLogging(); NeuralDataSet trainingData = new BasicNeuralDataSet(XOR.XOR_INPUT,XOR.XOR_IDEAL); BasicNetwork network = EncogUtility.simpleFeedForward(2, 5, 7, 1, true); Randomizer randomizer = new ConsistentRandomizer(-1, 1, 19); //randomizer.randomize(network); System.out.println(network.dumpWeights()); Train rprop = new ResilientPropagation(network, trainingData); int iteration = 0; do { rprop.iteration(); System.out.println(rprop.getError()); iteration++; } while( iteration<5000 && rprop.getError()>0.01); System.out.println(iteration); Assert.assertTrue(iteration<40); } }