Uses of Class
weka.classifiers.bayes.BayesNet

Packages that use BayesNet

Package	Description
weka.classifiers.bayes.net
weka.classifiers.bayes.net.estimate
weka.classifiers.bayes.net.search
weka.classifiers.bayes.net.search.fixed
weka.classifiers.bayes.net.search.global
weka.classifiers.bayes.net.search.local

Uses of BayesNet in weka.classifiers.bayes.net

Subclasses of BayesNet in weka.classifiers.bayes.net

Modifier and Type	Class and Description
class	BayesNetGenerator Bayes Network learning using various search algorithms and quality measures. Base class for a Bayes Network classifier.
class	BIFReader Builds a description of a Bayes Net classifier stored in XML BIF 0.3 format. For more details on XML BIF see: Fabio Cozman, Marek Druzdzel, Daniel Garcia (1998).
class	EditableBayesNet Bayes Network learning using various search algorithms and quality measures. Base class for a Bayes Network classifier.

Methods in weka.classifiers.bayes.net with parameters of type BayesNet

Modifier and Type	Method and Description
void	MarginCalculator.calcFullMargins(BayesNet bayesNet)
void	MarginCalculator.calcMargins(BayesNet bayesNet) Calc marginal distributions of nodes in Bayesian network Note that a connected network is assumed.
double	BIFReader.divergence(BayesNet other) calculates the divergence between the probability distribution represented by this network and that of another, that is, \sum_{x\in X} P(x)log P(x)/Q(x) where X is the set of values the nodes in the network can take, P(x) the probability of this network for configuration x Q(x) the probability of the other network for configuration x
int	BIFReader.extraArcs(BayesNet other) Count nr of exta arcs from other network compared to current network Note that an arc is not 'extra' if it is reversed.
int	BIFReader.missingArcs(BayesNet other) Count nr of arcs missing from other network compared to current network Note that an arc is not 'missing' if it is reversed.
boolean[][]	MarginCalculator.moralize(BayesNet bayesNet) moralize DAG and calculate adjacency matrix representation for a Bayes Network, effecively converting the directed acyclic graph to an undirected graph.
void	MarginCalculator.process(boolean[][] bAdjacencyMatrix, BayesNet bayesNet)
int	BIFReader.reversedArcs(BayesNet other) Count nr of reversed arcs from other network compared to current network
void	BIFReader.Sync(BayesNet other) synchronizes the node ordering of this Bayes network with those in the other network (if possible).

Uses of BayesNet in weka.classifiers.bayes.net.estimate

Methods in weka.classifiers.bayes.net.estimate with parameters of type BayesNet

Modifier and Type	Method and Description
double[]	SimpleEstimator.distributionForInstance(BayesNet bayesNet, Instance instance) Calculates the class membership probabilities for the given test instance.
double[]	MultiNomialBMAEstimator.distributionForInstance(BayesNet bayesNet, Instance instance) Calculates the class membership probabilities for the given test instance.
double[]	BayesNetEstimator.distributionForInstance(BayesNet bayesNet, Instance instance) Calculates the class membership probabilities for the given test instance.
void	SimpleEstimator.estimateCPTs(BayesNet bayesNet) estimateCPTs estimates the conditional probability tables for the Bayes Net using the network structure.
void	MultiNomialBMAEstimator.estimateCPTs(BayesNet bayesNet) estimateCPTs estimates the conditional probability tables for the Bayes Net using the network structure.
void	BMAEstimator.estimateCPTs(BayesNet bayesNet) estimateCPTs estimates the conditional probability tables for the Bayes Net using the network structure.
void	BayesNetEstimator.estimateCPTs(BayesNet bayesNet) estimateCPTs estimates the conditional probability tables for the Bayes Net using the network structure.
void	SimpleEstimator.initCPTs(BayesNet bayesNet) initCPTs reserves space for CPTs and set all counts to zero
void	MultiNomialBMAEstimator.initCPTs(BayesNet bayesNet) initCPTs reserves space for CPTs and set all counts to zero
void	BMAEstimator.initCPTs(BayesNet bayesNet) initCPTs reserves space for CPTs and set all counts to zero
void	BayesNetEstimator.initCPTs(BayesNet bayesNet) initCPTs reserves space for CPTs and set all counts to zero
void	SimpleEstimator.updateClassifier(BayesNet bayesNet, Instance instance) Updates the classifier with the given instance.
void	MultiNomialBMAEstimator.updateClassifier(BayesNet bayesNet, Instance instance) Updates the classifier with the given instance.
void	BMAEstimator.updateClassifier(BayesNet bayesNet, Instance instance) Updates the classifier with the given instance.
void	BayesNetEstimator.updateClassifier(BayesNet bayesNet, Instance instance) Updates the classifier with the given instance.

Uses of BayesNet in weka.classifiers.bayes.net.search

Methods in weka.classifiers.bayes.net.search with parameters of type BayesNet

Modifier and Type	Method and Description
void	SearchAlgorithm.buildStructure(BayesNet bayesNet, Instances instances) buildStructure determines the network structure/graph of the network.

Uses of BayesNet in weka.classifiers.bayes.net.search.fixed

Methods in weka.classifiers.bayes.net.search.fixed with parameters of type BayesNet

Modifier and Type	Method and Description
void	NaiveBayes.buildStructure(BayesNet bayesNet, Instances instances)
void	FromFile.buildStructure(BayesNet bayesNet, Instances instances)

Uses of BayesNet in weka.classifiers.bayes.net.search.global

Methods in weka.classifiers.bayes.net.search.global with parameters of type BayesNet

Modifier and Type	Method and Description
void	TAN.buildStructure(BayesNet bayesNet, Instances instances) buildStructure determines the network structure/graph of the network using the maximimum weight spanning tree algorithm of Chow and Liu
double	GlobalScoreSearchAlgorithm.calcScore(BayesNet bayesNet) performCV returns the accuracy calculated using cross validation.
double	GlobalScoreSearchAlgorithm.cumulativeCV(BayesNet bayesNet) CumulativeCV returns the accuracy calculated using cumulative cross validation.
double	GlobalScoreSearchAlgorithm.kFoldCV(BayesNet bayesNet, int nNrOfFolds) kFoldCV uses k-fold cross validation to measure the accuracy of a Bayes network classifier.
double	GlobalScoreSearchAlgorithm.leaveOneOutCV(BayesNet bayesNet) LeaveOneOutCV returns the accuracy calculated using Leave One Out cross validation.
void	SimulatedAnnealing.search(BayesNet bayesNet, Instances instances)
void	K2.search(BayesNet bayesNet, Instances instances) search determines the network structure/graph of the network with the K2 algorithm, restricted by its initial structure (which can be an empty graph, or a Naive Bayes graph.

Uses of BayesNet in weka.classifiers.bayes.net.search.local

Methods in weka.classifiers.bayes.net.search.local with parameters of type BayesNet

Modifier and Type	Method and Description
void	TAN.buildStructure(BayesNet bayesNet, Instances instances) buildStructure determines the network structure/graph of the network using the maximimum weight spanning tree algorithm of Chow and Liu
void	LocalScoreSearchAlgorithm.buildStructure(BayesNet bayesNet, Instances instances) buildStructure determines the network structure/graph of the network with the K2 algorithm, restricted by its initial structure (which can be an empty graph, or a Naive Bayes graph.
void	SimulatedAnnealing.search(BayesNet bayesNet, Instances instances)
void	K2.search(BayesNet bayesNet, Instances instances) search determines the network structure/graph of the network with the K2 algorithm, restricted by its initial structure (which can be an empty graph, or a Naive Bayes graph.

Constructors in weka.classifiers.bayes.net.search.local with parameters of type BayesNet

Constructor and Description
LocalScoreSearchAlgorithm(BayesNet bayesNet, Instances instances) constructor