/*
* RapidMiner
*
* Copyright (C) 2001-2007 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 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 com.rapidminer.operator.learner;
import java.util.ArrayList;
import java.util.Iterator;
/**
* This distribution is built from a set of other distributions.
*
* @author Sebastian Land
* @version $Id: MixedDistributionsDistribution.java,v 1.1 2007/05/27 22:03:28 ingomierswa Exp $
*/
public class MixedDistributionsDistribution implements Distribution {
private static final long serialVersionUID = 8852938552268669069L;
private ArrayList<Distribution> distributions;
public MixedDistributionsDistribution(ArrayList<Distribution> distributions) {
this.distributions = distributions;
}
public MixedDistributionsDistribution() {
this.distributions = new ArrayList<Distribution>();
}
public double getProbability(double x) {
double probability = 0;
Iterator<Distribution> iterator = distributions.iterator();
while (iterator.hasNext()) {
probability += iterator.next().getProbability(x);
}
return probability / distributions.size();
}
public void addDistribution(Distribution distribution) {
this.distributions.add(distribution);
}
}