package dr.evomodel.antigenic.phyloClustering.MCMCOperators;
import dr.inference.model.MatrixParameter;
import dr.inference.model.Parameter;
import dr.inference.operators.AbstractCoercableOperator;
import dr.inference.operators.CoercionMode;
import dr.inference.operators.MCMCOperator;
import dr.inference.operators.OperatorUtils;
import dr.math.MathUtils;
import dr.xml.AbstractXMLObjectParser;
import dr.xml.AttributeRule;
import dr.xml.ElementRule;
import dr.xml.XMLObject;
import dr.xml.XMLObjectParser;
import dr.xml.XMLParseException;
import dr.xml.XMLSyntaxRule;
public class muMeanTranslateInactiveMu1Operator extends AbstractCoercableOperator {
private MatrixParameter mu = null;
private Parameter muMean = null;
private Parameter indicators;
private double windowSize = 0.5;
public muMeanTranslateInactiveMu1Operator(double weight, MatrixParameter mu, Parameter indicators, Parameter muMean, double windowSize){
super(CoercionMode.COERCION_ON);
setWeight(weight);
this.mu = mu;
this.indicators = indicators;
this.muMean = muMean;
this.windowSize = windowSize;
}
public double doOperation() {
System.out.println("run here stop");
System.exit(0);
//unbounded walk
double change = (2.0 * MathUtils.nextDouble() - 1.0) * windowSize;
//change mu1Scale
double original_muMean_Val = muMean.getParameterValue(0);
double new_muMean_Val = change + original_muMean_Val;
muMean.setParameterValue(0, new_muMean_Val);
//translate all the inactive mean mu
int numNodes = mu.getColumnDimension();
//make sure all the active mu's first dimension stays intact
for(int i=0; i < numNodes; i++){
if( (int) indicators.getParameterValue(i) == 0){
double oldValue = mu.getParameter(i).getParameterValue(0);
double newValue = oldValue +change;
mu.getParameter(i).setParameterValue(0, newValue);
}
}
return 0;
}
//MCMCOperator INTERFACE
public double getCoercableParameter() {
return Math.log(windowSize);
}
public void setCoercableParameter(double value) {
windowSize = Math.exp(value);
}
public double getRawParameter() {
return windowSize;
}
public double getTargetAcceptanceProbability() {
return 0.234;
}
public double getMinimumAcceptanceLevel() {
return 0.1;
}
public double getMaximumAcceptanceLevel() {
return 0.4;
}
public double getMinimumGoodAcceptanceLevel() {
return 0.20;
}
public double getMaximumGoodAcceptanceLevel() {
return 0.30;
}
public final String getPerformanceSuggestion() {
double prob = MCMCOperator.Utils.getAcceptanceProbability(this);
double targetProb = getTargetAcceptanceProbability();
double ws = OperatorUtils.optimizeWindowSize(windowSize, prob, targetProb);
if (prob < getMinimumGoodAcceptanceLevel()) {
return "Try decreasing windowSize to about " + ws;
} else if (prob > getMaximumGoodAcceptanceLevel()) {
return "Try increasing windowSize to about " + ws;
} else return "";
}
public final static String muMeanTranslateInactiveMu1OperatorStr = "muMeanTranslateInactiveMu1Operator";
public final String getOperatorName() {
return muMeanTranslateInactiveMu1OperatorStr;
}
public static XMLObjectParser PARSER = new AbstractXMLObjectParser() {
public final static String MU = "mu";
public final static String MUMEAN = "muMean";
public final static String INDICATORS = "indicators";
public final static String WINDOWSIZE = "windowSize";
public String getParserName() {
return muMeanTranslateInactiveMu1OperatorStr;
}
/* (non-Javadoc)
* @see dr.xml.AbstractXMLObjectParser#parseXMLObject(dr.xml.XMLObject)
*/
public Object parseXMLObject(XMLObject xo) throws XMLParseException {
double weight = xo.getDoubleAttribute(MCMCOperator.WEIGHT);
double windowSize = xo.getDoubleAttribute(WINDOWSIZE);
XMLObject cxo = xo.getChild(MU);
MatrixParameter mu = (MatrixParameter) cxo.getChild(MatrixParameter.class);
cxo = xo.getChild(INDICATORS);
Parameter indicators = (Parameter) cxo.getChild(Parameter.class);
cxo = xo.getChild(MUMEAN);
Parameter muMean = (Parameter) cxo.getChild(Parameter.class);
return new muMeanTranslateInactiveMu1Operator(weight, mu, indicators, muMean, windowSize);
}
//************************************************************************
// AbstractXMLObjectParser implementation
//************************************************************************
public String getParserDescription() {
return "changes mu1Scale and make sure the first dimension of the active drifted mus stay the same";
}
public Class getReturnType() {
return muMeanTranslateInactiveMu1Operator.class;
}
public XMLSyntaxRule[] getSyntaxRules() {
return rules;
}
private final XMLSyntaxRule[] rules = {
AttributeRule.newDoubleRule(MCMCOperator.WEIGHT),
AttributeRule.newDoubleRule(WINDOWSIZE),
new ElementRule(MU, Parameter.class),
new ElementRule(INDICATORS, Parameter.class),
new ElementRule(MUMEAN, Parameter.class),
};
};
public int getStepCount() {
return 1;
}
}