/** * 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.function.window; /** * A Bartlett window function. * * @author Tobias Malbrecht, Ingo Mierswa */ public class BartlettWindowFunction extends WindowFunction { public BartlettWindowFunction(Integer width) { super(width); } public BartlettWindowFunction(Integer width, Integer justification) { super(width, justification); } @Override protected double getValue(int width, int n) { return 1.0 - Math.abs(2 * (double) (n - width / 2) / width); } }