edu.ksu.cis.bnj.bbn.learning.scorebased.gradient
Class GreedySL

java.lang.Object
  edu.ksu.cis.bnj.bbn.learning.Learner
      edu.ksu.cis.bnj.bbn.learning.ScoreBasedLearner
          edu.ksu.cis.bnj.bbn.learning.scorebased.gradient.GreedySL

All Implemented Interfaces:

Optionable

public class GreedySL

extends ScoreBasedLearner

Author:

Prashanth Boddhireddy

Field Summary

static int	ADDED
protected BBNGraph	bbnGraph
boolean	containsCycle
static boolean	CYCLE
static int	MAXNUMCHANGES
protected double	maxScore
static int	NA
protected int	numOfChanges
protected int	numOfNodes
protected java.util.Set[]	parentTable
protected boolean[][]	path
protected double	previousScore
protected int	recentChange
static int	REMOVED
static int	REVERSED
protected double	tempScore
protected int	totalNumOfChanges

Fields inherited from class edu.ksu.cis.bnj.bbn.learning.ScoreBasedLearner

candidateScorer, defaultParentLimit, parentLimit, structureScorer

Fields inherited from class edu.ksu.cis.bnj.bbn.learning.Learner

bbnNodes, calculateCPT, data, indexTable, learnerClassName, OPT_CALCULATE_RMSE, options

Fields inherited from interface edu.ksu.cis.kdd.util.gui.Optionable

OPT_OUTPUT_FILE

Constructor Summary

GreedySL()

GreedySL(Data data)

Method Summary

BBNGraph	getGraph() The learning algorithm is here
protected void	learnGraph()
static void	main(java.lang.String[] args)

Methods inherited from class edu.ksu.cis.bnj.bbn.learning.ScoreBasedLearner

computeCPT, getParentLimit, iterateUniqueInstantiation, setCandidateScorer, setParentLimit, setStructureScorer, setTable

Methods inherited from class edu.ksu.cis.bnj.bbn.learning.Learner

getCalculateRMSE, getCurrentOptions, getData, getDefaultOptions, getName, getOptionsDialog, getOutputFile, initialize, isCalculateCPT, load, populateNodes, processParameters, setCalculateCPT, setCalculateRMSE, setData, setOption, setOptions, setOutputFile

Methods inherited from class java.lang.Object

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

Field Detail

bbnGraph

protected BBNGraph bbnGraph

parentTable

protected java.util.Set[] parentTable

path

protected boolean[][] path

numOfNodes

protected int numOfNodes

numOfChanges

protected int numOfChanges

totalNumOfChanges

protected int totalNumOfChanges

tempScore

protected double tempScore

previousScore

protected double previousScore

maxScore

protected double maxScore

recentChange

protected int recentChange

CYCLE

public static final boolean CYCLE

See Also:

Constant Field Values

containsCycle

public boolean containsCycle

MAXNUMCHANGES

public static final int MAXNUMCHANGES

See Also:

Constant Field Values

REVERSED

public static final int REVERSED

See Also:

Constant Field Values

REMOVED

public static final int REMOVED

See Also:

Constant Field Values

ADDED

public static final int ADDED

See Also:

Constant Field Values

NA

public static final int NA

See Also:

Constant Field Values

Constructor Detail

GreedySL

public GreedySL()

GreedySL

public GreedySL(Data data)

Method Detail

getGraph

public BBNGraph getGraph()

Description copied from class: Learner

The learning algorithm is here

Specified by:

getGraph in class Learner

Returns:

BBNGraph

learnGraph

protected void learnGraph()

main

public static void main(java.lang.String[] args)