/*
* RapidMiner
*
* Copyright (C) 2001-2011 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.tools.math.smoothing;
import java.io.Serializable;
/**
* This class provides the functionality of a smoothing kernel, which returns
* weights depended on a norm distance. Additionally, this class provides a
* convenient method for normalizing the distances to 1.
*
* @author Sebastian Land
*/
public abstract class SmoothingKernel implements Serializable {
private static final long serialVersionUID = 6368830159821896801L;
public double getWeight(double distance, double normalizationConstant) {
return getWeight(distance / normalizationConstant);
}
public abstract double getWeight(double distance);
}