Package org.encog.ml.data.versatile

Source Code of org.encog.ml.data.versatile.TestMatrixMLDataSet

/*
* Encog(tm) Core v3.3 - Java Version
* http://www.heatonresearch.com/encog/
* https://github.com/encog/encog-java-core
* Copyright 2008-2014 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.ml.data.versatile;

import junit.framework.Assert;

import org.encog.Encog;
import org.encog.ml.data.MLDataPair;
import org.junit.Test;

public class TestMatrixMLDataSet {
 
  public static final double[][] DATA1 = {
    { 1.0, 10.0 },
    { 2.0, 20.0 },
    { 3.0, 30.0 },
    { 4.0, 40.0 },
    { 5.0, 50.0 },
    { 6.0, 60.0 },
    { 7.0, 70.0 },
    { 8.0, 80.0 },
    { 9.0, 90.0 },
    { 10.0, 100.0 }
};
 
  @Test
  public void testTimeSeriesLead1Lag0() {
    MatrixMLDataSet dset = new MatrixMLDataSet(DATA1,1,1);
    dset.setLeadWindowSize(1);
   
    Assert.assertEquals(9, dset.size());
   
    MLDataPair p1 = dset.get(0);
    Assert.assertEquals(1.0, p1.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(20.0, p1.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
   
    MLDataPair p2 = dset.get(1);
    Assert.assertEquals(2.0, p2.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(30.0, p2.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
   
    MLDataPair p3 = dset.get(2);
    Assert.assertEquals(3.0, p3.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(40.0, p3.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
  }
 
  @Test
  public void testTimeSeriesLead0Lag1() {
    MatrixMLDataSet dset = new MatrixMLDataSet(DATA1,1,1);
    dset.setLagWindowSize(1);
   
    Assert.assertEquals(9, dset.size());
   
    MLDataPair p1 = dset.get(0);
    Assert.assertEquals(1.0, p1.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(2.0, p1.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(10.0, p1.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
   
    MLDataPair p2 = dset.get(1);
    Assert.assertEquals(2.0, p2.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(3.0, p2.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(20.0, p2.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
   
    MLDataPair p3 = dset.get(2);
    Assert.assertEquals(3.0, p3.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(4.0, p3.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(30.0, p3.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
  }
 
  @Test
  public void testTimeSeriesLead1Lag1() {
    MatrixMLDataSet dset = new MatrixMLDataSet(DATA1,1,1);
    dset.setLeadWindowSize(1);
    dset.setLagWindowSize(1);
   
    Assert.assertEquals(8, dset.size());
   
    MLDataPair p1 = dset.get(0);
    Assert.assertEquals(1.0, p1.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(2.0, p1.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(20.0, p1.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
   
    MLDataPair p2 = dset.get(1);
    Assert.assertEquals(2.0, p2.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(3.0, p2.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(30.0, p2.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
   
    MLDataPair p3 = dset.get(2);
    Assert.assertEquals(3.0, p3.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(4.0, p3.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(40.0, p3.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
  }
 
  @Test
  public void testTimeSeriesLead2Lag1() {
    MatrixMLDataSet dset = new MatrixMLDataSet(DATA1,1,1);
    dset.setLeadWindowSize(2);
    dset.setLagWindowSize(1);
   
    Assert.assertEquals(7, dset.size());
   
    MLDataPair p1 = dset.get(0);
    Assert.assertEquals(1.0, p1.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(2.0, p1.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(20.0, p1.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(30.0, p1.getIdeal().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
   
    MLDataPair p2 = dset.get(1);
    Assert.assertEquals(2.0, p2.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(3.0, p2.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(30.0, p2.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(40.0, p2.getIdeal().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
   
    MLDataPair p3 = dset.get(2);
    Assert.assertEquals(3.0, p3.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(4.0, p3.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(40.0, p3.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(50.0, p3.getIdeal().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
  }
 
  @Test
  public void testTimeSeriesLead1Lag2() {
    MatrixMLDataSet dset = new MatrixMLDataSet(DATA1,1,1);
    dset.setLeadWindowSize(1);
    dset.setLagWindowSize(2);
   
    Assert.assertEquals(7, dset.size());
   
    MLDataPair p1 = dset.get(0);
    Assert.assertEquals(1.0, p1.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(2.0, p1.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(3.0, p1.getInput().getData(2),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(20.0, p1.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
   
    MLDataPair p2 = dset.get(1);
    Assert.assertEquals(2.0, p2.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(3.0, p2.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(4.0, p2.getInput().getData(2),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(30.0, p2.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
   
    MLDataPair p3 = dset.get(2);
    Assert.assertEquals(3.0, p3.getInput().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(4.0, p3.getInput().getData(1),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(5.0, p3.getInput().getData(2),Encog.DEFAULT_DOUBLE_EQUAL);
    Assert.assertEquals(40.0, p3.getIdeal().getData(0),Encog.DEFAULT_DOUBLE_EQUAL);
  }
}
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