Cluster.java

/*
 *  RapidMiner
 *
 *  Copyright (C) 2001-2014 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.generator;

import java.util.Random;

/** Helper class for clusters information. 
 * 
 *  @author Ingo Mierswa
 */
public class Cluster {

	double[] coordinates;

	double[] sigmas;

	double size;

	int label;

	public Cluster(double[] coordinates, double[] sigmas, double size, int label) {
		this.coordinates = coordinates;
		this.sigmas = sigmas;
		this.size = size;
		this.label = label;
	}

	public double[] createArguments(Random random) {
		double[] args = new double[coordinates.length];
		for (int i = 0; i < args.length; i++)
			args[i] = coordinates[i] + random.nextGaussian() * sigmas[i];
		return args;
	}
}