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package de.lmu.ifi.dbs.elki.math.statistics;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2011
Ludwig-Maximilians-Universität München
Lehr- und Forschungseinheit für Datenbanksysteme
ELKI Development Team
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/>.
*/
/**
* Uniform / Rectangular kernel density estimator.
*
* @author Erich Schubert
*/
public final class UniformKernelDensityFunction implements KernelDensityFunction {
@Override
public double density(double delta) {
if(delta < 1) {
return 0.5;
}
return 0;
}
/**
* Private, empty constructor. Use the static instance!
*/
private UniformKernelDensityFunction() {
// Nothing to do.
}
/**
* Static instance.
*/
public static final UniformKernelDensityFunction KERNEL = new UniformKernelDensityFunction();
}
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