cc.mallet.grmm.learning
Class PseudolikelihoodACRFTrainer

java.lang.Object
  cc.mallet.grmm.learning.DefaultAcrfTrainer
      cc.mallet.grmm.learning.PseudolikelihoodACRFTrainer

All Implemented Interfaces:

ACRFTrainer

public class PseudolikelihoodACRFTrainer
extends DefaultAcrfTrainer

Created: Mar 15, 2005

Version:

$Id: PseudolikelihoodACRFTrainer.java,v 1.1 2007/10/22 21:37:40 mccallum Exp $

Author:

Nested Class Summary

class

PseudolikelihoodACRFTrainer.Maxable

Nested classes/interfaces inherited from class cc.mallet.grmm.learning.DefaultAcrfTrainer

DefaultAcrfTrainer.FileEvaluator, DefaultAcrfTrainer.LogEvaluator, DefaultAcrfTrainer.TestResults

Field Summary

static int	BY_EDGE Use per-edge structured pseudolikelihood.
static int	BY_VARIABLE Use per-variable pseudolikelihood.

Constructor Summary

PseudolikelihoodACRFTrainer()

Method Summary

Optimizable.ByGradientValue	createOptimizable(ACRF acrf, InstanceList training)
int	getStructureType()
void	setStructureType(int structureType)

Methods inherited from class cc.mallet.grmm.learning.DefaultAcrfTrainer

callEvaluator, getMaxer, getRandom, incrementalTrain, incrementalTrain, isRethrowExceptions, setMaxer, setOutputPrefix, setRethrowExceptions, someUnsupportedTrain, test, test, train, train, train, train, train, train, train

Methods inherited from class java.lang.Object

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

Field Detail

BY_VARIABLE

public static final int BY_VARIABLE

Use per-variable pseudolikelihood. This is the classical version of Besag.

See Also:

Constant Field Values

BY_EDGE

public static final int BY_EDGE

Use per-edge structured pseudolikelihood.

See Also:

Constant Field Values

Constructor Detail

PseudolikelihoodACRFTrainer

public PseudolikelihoodACRFTrainer()

Method Detail

getStructureType

public int getStructureType()

setStructureType

public void setStructureType(int structureType)

createOptimizable

public Optimizable.ByGradientValue createOptimizable(ACRF acrf,
                                                     InstanceList training)

Overrides:

createOptimizable in class DefaultAcrfTrainer