Module es.upm.fi.cig.multictbnc

Package es.upm.fi.cig.multictbnc.learning.structure.optimisation.scores.ctbn

Class CTBNLogLikelihood

java.lang.Object

es.upm.fi.cig.multictbnc.learning.structure.optimisation.scores.AbstractLikelihood

es.upm.fi.cig.multictbnc.learning.structure.optimisation.scores.ctbn.CTBNLogLikelihood

All Implemented Interfaces:

CTBNScoreFunction

public class CTBNLogLikelihood
extends AbstractLikelihood
implements CTBNScoreFunction

Implements the log-likelihood score for CTBNs with nodes that have CIMs.

Constructor Summary

Constructors

Constructor	Description
CTBNLogLikelihood(String penalisationFunction)	Receives the name of the penalisation function for the structure complexity.

Method Summary

Modifier and Type	Method	Description
double	compute(CTBN<? extends Node> ctbn)	Computes the score for a continuous-time Bayesian network.
double	compute(CTBN<? extends Node> ctbn, int idxNode)	Computes the (penalised) log-likelihood score at a given node of a discrete continuous-time Bayesian network.
String	getIdentifier()	Gets an identifier for the score function.
boolean	isDecomposable()	Determines if the score is decomposable.

Methods inherited from class es.upm.fi.cig.multictbnc.learning.structure.optimisation.scores.AbstractLikelihood

getNamePenalisationFunction, getPenalisationFunction

Methods inherited from class java.lang.Object

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

Methods inherited from interface es.upm.fi.cig.multictbnc.learning.structure.optimisation.scores.ctbn.CTBNScoreFunction

getNamePenalisationFunction

Constructor Details

CTBNLogLikelihood

public CTBNLogLikelihood(String penalisationFunction)

Receives the name of the penalisation function for the structure complexity.

Parameters:

penalisationFunction - name of the penalisation function

Method Details

compute

public double compute(CTBN<? extends Node> ctbn)

Description copied from interface: CTBNScoreFunction

Computes the score for a continuous-time Bayesian network.

Specified by:

compute in interface CTBNScoreFunction

Parameters:

ctbn - a continuous-time Bayesian network

Returns:

score

compute

public double compute(CTBN<? extends Node> ctbn,
 int idxNode)

Computes the (penalised) log-likelihood score at a given node of a discrete continuous-time Bayesian network.

Specified by:

compute in interface CTBNScoreFunction

Parameters:

ctbn - continuous-time Bayesian network

idxNode - index of the node

Returns:

penalised log-likelihood score

isDecomposable

public boolean isDecomposable()

Description copied from interface: CTBNScoreFunction

Determines if the score is decomposable.

Specified by:

isDecomposable in interface CTBNScoreFunction

Returns:

true if the score is decomposable, false otherwise

getIdentifier

public String getIdentifier()

Description copied from interface: CTBNScoreFunction

Gets an identifier for the score function.

Specified by:

getIdentifier in interface CTBNScoreFunction

Returns:

identifier for the score function.