/*
* RapidMiner
*
* Copyright (C) 2001-2008 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.operator.performance;
/**
* This class calculates the classification error without determining the complete
* contingency table. This criterion should be used if several different
* accuracy measurements are averaged. The usual classification error criterion cannot be
* used in cases where the number of classes differ.
*
* @author Michael Wurst, Ingo Mierswa
* @version $Id: SimpleClassificationError.java,v 1.3 2008/05/09 19:22:43 ingomierswa Exp $
*/
public class SimpleClassificationError extends SimpleCriterion {
private static final long serialVersionUID = -2679855049315180163L;
public SimpleClassificationError() {
}
public SimpleClassificationError(SimpleClassificationError sc) {
super(sc);
}
public double countExample(double label, double predictedLabel) {
if (label == predictedLabel)
return 0;
else
return 1;
}
public String getName() {
return "simple_error";
}
public String getDescription() {
return "Simple Classification Error";
}
}