/*
* 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.similarity;
import java.util.List;
import com.rapidminer.tools.IterationArrayList;
import com.rapidminer.tools.math.matrix.ExtendedSparseMatrix;
/**
* A representation of a similarity measure as sparse matrix.
*
* @author Michael Wurst
* @version $Id: SimilarityMatrix.java,v 1.6 2008/09/12 10:32:03 tobiasmalbrecht Exp $
*/
public class SimilarityMatrix extends ExtendedSparseMatrix<String, String> {
private static final long serialVersionUID = 1746447963630192902L;
/**
* Constructor for SimilarityMatrix.
*/
public SimilarityMatrix(SimilarityMeasure sim) {
super();
List<String> ids = new IterationArrayList<String>(sim.getIds());
for (int i = 0; i < ids.size(); i++) {
for (int j = 0; j < ids.size(); j++) {
if (sim.isSimilarityDefined(ids.get(i), ids.get(j)))
setEntry(ids.get(i), ids.get(j), sim.similarity(ids.get(i), ids.get(j)));
}
}
}
}