cc.mallet.fst
Class CRFTrainerByValueGradients.OptimizableCRF

java.lang.Object
  cc.mallet.fst.CRFTrainerByValueGradients.OptimizableCRF

All Implemented Interfaces:

Optimizable, Optimizable.ByGradientValue, java.io.Serializable

Enclosing class:

CRFTrainerByValueGradients

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

An optimizable CRF that contains a collection of objective functions.

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

protected

CRFTrainerByValueGradients.OptimizableCRF(CRF crf, InstanceList ilist)

Method Summary

int	getNumParameters()
double	getParameter(int index)
void	getParameters(double[] buffer)
double	getValue() Returns the log probability of the training sequence labels and the prior over parameters.
void	getValueGradient(double[] buffer)
void	setParameter(int index, double value)
void	setParameters(double[] buff)

Methods inherited from class java.lang.Object

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

Constructor Detail

CRFTrainerByValueGradients.OptimizableCRF

protected CRFTrainerByValueGradients.OptimizableCRF(CRF crf,
                                                    InstanceList ilist)

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[] buff)

Specified by:

setParameters in interface Optimizable

setParameter

public void setParameter(int index,
                         double value)

Specified by:

setParameter in interface Optimizable

getValue

public double getValue()

Returns the log probability of the training sequence labels and the prior over parameters.

Specified by:

getValue in interface Optimizable.ByGradientValue

getValueGradient

public void getValueGradient(double[] buffer)

Specified by:

getValueGradient in interface Optimizable.ByGradientValue