/*
* CovarionHKY.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.oldevomodel.substmodel;
import dr.evolution.datatype.OldHiddenNucleotides;
import dr.oldevomodelxml.substmodel.CovarionHKYParser;
import dr.inference.model.Parameter;
/**
* A model with hidden states that represent different rates.
*
* @author Alexei Drummond
* @version $Id: CovarionHKY.java,v 1.4 2005/05/24 20:25:58 rambaut Exp $
*/
public class CovarionHKY extends AbstractCovarionDNAModel {
/**
* kappa
*/
private Parameter kappaParameter;
/**
* @param dataType the datatype to be used
* @param kappaParameter the rate of transitions versus transversions
* @param hiddenClassRates the relative rates of the hidden categories
* (first hidden category has rate 1.0 so this parameter
* has dimension one less than number of hidden categories.
* each hidden category.
* @param switchingRates rate of switching between hidden categories
* @param freqModel the frequencies
*/
public CovarionHKY(OldHiddenNucleotides dataType, Parameter kappaParameter, Parameter hiddenClassRates, Parameter switchingRates, FrequencyModel freqModel) {
super(CovarionHKYParser.COVARION_HKY, dataType, hiddenClassRates, switchingRates, freqModel);
this.kappaParameter = kappaParameter;
addVariable(kappaParameter);
setupRelativeRates();
}
double[] getRelativeDNARates() {
double kappa = kappaParameter.getParameterValue(0);
return new double[]{1.0, kappa, 1.0, 1.0, kappa, 1.0};
}
/**
* set kappa
*
* @param kappa the new value of kappa to set
*/
public void setKappa(double kappa) {
kappaParameter.setParameterValue(0, kappa);
}
/**
* @return kappa
*/
public double getKappa() {
return kappaParameter.getParameterValue(0);
}
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("Covarion HKY model with ");
builder.append(getHiddenClassCount()).append(" rate classes.\n");
builder.append("Relative rates: \n");
builder.append(SubstitutionModelUtils.toString(relativeRates, dataType, true, 2));
return builder.toString();
}
}