/*
* GMRFIntervalHeightsStatistic.java
*
* Copyright (c) 2002-2015 Alexei Drummond, Andrew Rambaut and Marc Suchard
*
* This file is part of BEAST.
* See the NOTICE file distributed with this work for additional
* information regarding copyright ownership and licensing.
*
* BEAST is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* BEAST 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with BEAST; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
package dr.evomodel.coalescent;
import dr.inference.model.Statistic;
/**
* A statistic that reports the heights of all intercoalescent intervals for a GMRF skyride likelihood plot
*
* @author Marc A. Suchard
* @version $Id:$
*/
public class GMRFIntervalHeightsStatistic extends Statistic.Abstract {
public GMRFIntervalHeightsStatistic(String name, GMRFSkyrideLikelihood skyrideLikelihood) {
super(name);
this.skyrideLikelihood = skyrideLikelihood;
}
public int getDimension() {
return skyrideLikelihood.getCorrectFieldLength();
}
/**
* @return the end-points in time of each coalescent interval
*/
public double getStatisticValue(int dim) {
if (dim == 0) {
// This assumes that each dimension will be called in turn, so
// the call for dim 0 updates the array.
heights = skyrideLikelihood.getCoalescentIntervalHeights();
}
return heights[dim];
}
final private GMRFSkyrideLikelihood skyrideLikelihood;
private double[] heights = null;
}