cc.mallet.fst.semi_supervised.pr

Class CRFOptimizableByKL

java.lang.Object

cc.mallet.fst.semi_supervised.pr.CRFOptimizableByKL

All Implemented Interfaces:

Optimizable, Optimizable.ByGradientValue, java.io.Serializable

public class CRFOptimizableByKL
extends java.lang.Object
implements java.io.Serializable, Optimizable.ByGradientValue

M-step/M-projection for PR.

See Also:

Serialized Form

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

Constructors

Constructor and Description
CRFOptimizableByKL(CRF crf, InstanceList trainingSet, PRAuxiliaryModel auxModel, double[][][][] cachedDots, int numThreads, double weight)

Method Summary

Modifier and Type	Method and Description
int	getNumParameters()
double	getParameter(int index)
void	getParameters(double[] buffer)
double	getValue()
void	getValueGradient(double[] buffer)
void	setGaussianPriorVariance(double value)
void	setParameter(int index, double value)
void	setParameters(double[] buff)
void	shutdown()

Methods inherited from class java.lang.Object

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

Constructor Detail

CRFOptimizableByKL

public CRFOptimizableByKL(CRF crf,
                          InstanceList trainingSet,
                          PRAuxiliaryModel auxModel,
                          double[][][][] cachedDots,
                          int numThreads,
                          double weight)

Method Detail

getValue

public double getValue()

Specified by:

getValue in interface Optimizable.ByGradientValue

getValueGradient

public void getValueGradient(double[] buffer)

Specified by:

getValueGradient in interface Optimizable.ByGradientValue

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[] buff)

Specified by:

setParameters in interface Optimizable

setParameter

public void setParameter(int index,
                         double value)

Specified by:

setParameter in interface Optimizable

setGaussianPriorVariance

public void setGaussianPriorVariance(double value)

shutdown

public void shutdown()