cc.mallet.classify
Class PRAuxClassifierOptimizable

java.lang.Object
  cc.mallet.classify.PRAuxClassifierOptimizable

All Implemented Interfaces:

Optimizable, Optimizable.ByGradientValue

public class PRAuxClassifierOptimizable
extends java.lang.Object
implements Optimizable.ByGradientValue

Optimizable for training auxiliary model (q) for E-step/I-projection in PR training.

Author:

Gregory Druck gdruck@cs.umass.edu

Nested Class Summary

Nested classes/interfaces inherited from interface cc.mallet.optimize.Optimizable

Optimizable.ByBatchGradient, Optimizable.ByCombiningBatchGradient, Optimizable.ByGISUpdate, Optimizable.ByGradient, Optimizable.ByGradientValue, Optimizable.ByHessian, Optimizable.ByValue, Optimizable.ByVotedPerceptron

Constructor Summary

PRAuxClassifierOptimizable(InstanceList trainingData, double[][] baseDistribution, PRAuxClassifier classifier)

Method Summary

int	getNumParameters()
double	getParameter(int index)
void	getParameters(double[] buffer)
double	getValue()
double	getValueAndGradient(double[] gradient)
void	getValueGradient(double[] gradient)
void	setParameter(int index, double value)
void	setParameters(double[] params)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PRAuxClassifierOptimizable

public PRAuxClassifierOptimizable(InstanceList trainingData,
                                  double[][] baseDistribution,
                                  PRAuxClassifier classifier)

Method Detail

getNumParameters

public int getNumParameters()

Specified by:

getNumParameters in interface Optimizable

getParameters

public void getParameters(double[] buffer)

Specified by:

getParameters in interface Optimizable

getParameter

public double getParameter(int index)

Specified by:

getParameter in interface Optimizable

setParameters

public void setParameters(double[] params)

Specified by:

setParameters in interface Optimizable

setParameter

public void setParameter(int index,
                         double value)

Specified by:

setParameter in interface Optimizable

getValueAndGradient

public double getValueAndGradient(double[] gradient)

getValue

public double getValue()

Specified by:

getValue in interface Optimizable.ByGradientValue

getValueGradient

public void getValueGradient(double[] gradient)

Specified by:

getValueGradient in interface Optimizable.ByGradientValue