examplesetsampletest.java

一个很好的LIBSVM的JAVA源码。对于要研究和改进SVM算法的学者。可以参考。来自数据挖掘工具YALE工具包。

/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2001-2004
 *      Simon Fischer, Ralf Klinkenberg, Ingo Mierswa, 
 *          Katharina Morik, Oliver Ritthoff
 *      Artificial Intelligence Unit
 *      Computer Science Department
 *      University of Dortmund
 *      44221 Dortmund,  Germany
 *  email: [e-mail]
 *  web:   http://yale.cs.uni-dortmund.de/
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License as 
 *  published by the Free Software Foundation; either version 2 of the
 *  License, or (at your option) any later version. 
 *
 *  This program is distributed in the hope that it will be useful, but
 *  WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA.
 */
package edu.udo.cs.yale.test;

import edu.udo.cs.yale.Yale;
import edu.udo.cs.yale.operator.IOContainer;
import edu.udo.cs.yale.operator.MissingIOObjectException;
import edu.udo.cs.yale.example.Attribute;
import edu.udo.cs.yale.example.ExampleSet;
import edu.udo.cs.yale.tools.LogService;
import edu.udo.cs.yale.tools.ParameterService;

import java.io.File;

/** Performs the sample experiment and checks the output example set.
 *
 *  @version $Id: ExampleSetSampleTest.java,v 2.3 2004/09/17 12:57:43 ingomierswa Exp $
 */
public class ExampleSetSampleTest extends SampleTest {

    private int numberOfExamples;
    private int numberOfAttributes;
    private String[] specialAttributes = null;

    public ExampleSetSampleTest(String file, int numberOfExamples, int numberOfAttributes) {
	this(file, numberOfExamples, numberOfAttributes, null);
    }

    public ExampleSetSampleTest(String file, int numberOfExamples, int numberOfAttributes, String[] specialAttributes) {
	super(file);
	this.numberOfExamples = numberOfExamples;
	this.numberOfAttributes = numberOfAttributes;
	this.specialAttributes = specialAttributes;
    }
    
    public void checkOutput(IOContainer output) throws MissingIOObjectException {
	ExampleSet exampleSet = (ExampleSet)output.getInput(ExampleSet.class);
	assertEquals("ExampleSet #examples", numberOfExamples, exampleSet.getSize(), 0);
	assertEquals("ExampleSet #attributes", numberOfAttributes, exampleSet.getNumberOfAttributes(), 0);
	if (specialAttributes != null) {
	    for (int i = 0; i < specialAttributes.length; i++) {
		Attribute special = exampleSet.getAttribute(specialAttributes[i]);
		assertNotNull(specialAttributes[i], special);
	    }
	}
    }
}