/*
* 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.app.analyst;
import java.io.File;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.encog.util.TempDir;
import org.encog.util.csv.CSVFormat;
import org.encog.util.csv.ReadCSV;
import org.encog.util.file.FileUtil;
public class TestAnalystRegression extends TestCase {
public final TempDir TEMP_DIR = new TempDir();
public void testClassification() throws Exception {
File rawFile = TEMP_DIR.createFile("simple.csv");
File egaFile = TEMP_DIR.createFile("simple.ega");
File outputFile = TEMP_DIR.createFile("simple_output.csv");
FileUtil.copyResource("org/encog/data/simple.csv", rawFile);
FileUtil.copyResource("org/encog/data/simple-r.ega", egaFile);
EncogAnalyst analyst = new EncogAnalyst();
analyst.addAnalystListener(new ConsoleAnalystListener());
analyst.load(egaFile);
analyst.executeTask("task-full");
ReadCSV csv = new ReadCSV(outputFile.toString(),true,CSVFormat.ENGLISH);
while(csv.next()) {
double diff = Math.abs(csv.getDouble(2) - csv.getDouble(4));
Assert.assertTrue(diff<1.5);
}
Assert.assertEquals(4, analyst.getScript().getFields().length );
Assert.assertEquals(3, analyst.getScript().getFields()[3].getClassMembers().size());
csv.close();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
TEMP_DIR.dispose();
}
}