/**
* Copyright (C) 2001-2017 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.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
*/
public class SimpleClassificationError extends SimpleCriterion {
private static final long serialVersionUID = -2679855049315180163L;
public SimpleClassificationError() {}
public SimpleClassificationError(SimpleClassificationError sc) {
super(sc);
}
@Override
public double countExample(double label, double predictedLabel) {
if (label == predictedLabel) {
return 0;
} else {
return 1;
}
}
@Override
public String getName() {
return "simple_error";
}
@Override
public String getDescription() {
return "Simple Classification Error";
}
}