/**
* Copyright (C) 2001-2017 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.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);
}