Package ai.libs.jaicore.search.algorithms.mdp.mcts.uct

Class UCBPolicy<T,A>

java.lang.Object

ai.libs.jaicore.search.algorithms.mdp.mcts.uct.AUpdatingPolicy<T,A>

ai.libs.jaicore.search.algorithms.mdp.mcts.uct.UCBPolicy<T,A>

All Implemented Interfaces:

IPathUpdatablePolicy<T,A,java.lang.Double>, IPolicy<T,A>, org.api4.java.common.control.ILoggingCustomizable

Direct Known Subclasses:

SPUCBPolicy

public class UCBPolicy<T,A>
extends AUpdatingPolicy<T,A>
implements org.api4.java.common.control.ILoggingCustomizable

Constructor Summary

Constructors

Constructor	Description
UCBPolicy(double gamma, boolean maximize)
UCBPolicy(double gamma, double explorationConstant, boolean maximize)

Method Summary

Modifier and Type	Method	Description
A	getActionBasedOnScores(java.util.Map<A,java.lang.Double> scores)
double	getEmpiricalMean(T node, A action)
double	getExplorationConstant()
double	getExplorationTerm(T node, A action)
java.lang.String	getLoggerName()
double	getScore(T node, A action)
void	setExplorationConstant(double explorationConstant)
void	setLoggerName(java.lang.String name)

Methods inherited from class ai.libs.jaicore.search.algorithms.mdp.mcts.uct.AUpdatingPolicy

getAction, getBehaviorWhenActionForNotFullyExploredStateIsRequested, getGamma, getLabelOfNode, isMaximize, setBehaviorWhenActionForNotFullyExploredStateIsRequested, updatePath

Methods inherited from class java.lang.Object

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

Constructor Detail

UCBPolicy

public UCBPolicy(double gamma,
                 double explorationConstant,
                 boolean maximize)

UCBPolicy

public UCBPolicy(double gamma,
                 boolean maximize)

Method Detail

getLoggerName

public java.lang.String getLoggerName()

Specified by:

getLoggerName in interface org.api4.java.common.control.ILoggingCustomizable

Overrides:

getLoggerName in class AUpdatingPolicy<T,A>

setLoggerName

public void setLoggerName(java.lang.String name)

Specified by:

setLoggerName in interface org.api4.java.common.control.ILoggingCustomizable

Overrides:

setLoggerName in class AUpdatingPolicy<T,A>

getEmpiricalMean

public double getEmpiricalMean(T node,
                               A action)

getExplorationTerm

public double getExplorationTerm(T node,
                                 A action)

getScore

public double getScore(T node,
                       A action)

Specified by:

getScore in class AUpdatingPolicy<T,A>

getExplorationConstant

public double getExplorationConstant()

setExplorationConstant

public void setExplorationConstant(double explorationConstant)

getActionBasedOnScores

public A getActionBasedOnScores(java.util.Map<A,java.lang.Double> scores)

Specified by:

getActionBasedOnScores in class AUpdatingPolicy<T,A>