/*
* 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.learner.functions.kernel.jmysvm.examples;
import java.io.Serializable;
/**
* An Example for the kernel based algorithms provided by Stefan Rueping. Since
* RapidMiner cannot deliver the example with index i directly, a new data structure
* is needed.
*
* @author Stefan Rueping, Ingo Mierswa
* @version $Id: SVMExample.java,v 1.4 2008/05/09 19:23:19 ingomierswa Exp $
*/
public class SVMExample implements Serializable {
private static final long serialVersionUID = 8539279195547132597L;
public int[] index;
public double[] att;
public SVMExample() {
index = null;
att = null;
}
public SVMExample(double[] values) {
index = new int[values.length];
for (int i = 0; i < index.length; i++)
index[i] = i;
this.att = values;
}
/*
* For internal purposes only!!!
*/
public SVMExample(SVMExample e) {
this.index = e.index;
this.att = e.att;
}
public SVMExample(int[] new_index, double[] new_att) {
index = new_index;
att = new_att;
}
public double[] toDense(int dim) {
double[] dense;
dense = new double[dim];
int pos = 0;
if (index != null) {
for (int i = 0; i < index.length; i++) {
while (pos < index[i]) {
dense[pos] = 0.0;
pos++;
}
dense[pos] = att[i];
pos++;
}
}
while (pos < dim) {
dense[pos] = 0.0;
pos++;
}
return dense;
}
}