keel.Algorithms.Lazy_Learning.LBR

Class LBR

java.lang.Object

keel.Algorithms.Lazy_Learning.LazyAlgorithm

keel.Algorithms.Lazy_Learning.LBR.LBR

public class LBR
extends LazyAlgorithm

File: LBR.java The LBR Algorithm. A Lazy Approach of the Naive Bayes Classifier. It tries to find the optimal subset of features and instances to use to build an ad-hoc NB Classifier for each testing instance.

Since:

JDK1.5

Version:

1.0

Author:

Written by Joaquín Derrac (University of Granada) 13/11/2008

Field Summary

Fields inherited from class keel.Algorithms.Lazy_Learning.LazyAlgorithm

confMatrix, initialTime, inputAtt, inputs, modelTime, name, nClasses, nInstances, nulls, outFile, output, prediction, predictions, probabilities, realClass, reference, referenceData, referenceFile, referenceOutput, relation, seed, temp, test, testData, testFile, testOutput, testTime, train, trainConfMatrix, trainData, trainFile, trainingTime, trainOutput, trainPrediction, trainRealClass, trainUnclassified, unclassified

Constructor Summary

Constructors

Constructor and Description
LBR(java.lang.String script) The main method of the class

Method Summary

Modifier and Type	Method and Description
double	binomP(double r, double n, double p) Performs a binomial test
protected int	evaluate(double[] example) Evaluates a instance to predict its class.
protected void	readParameters(java.lang.String script) Reads configuration script, to extract the parameter's values.

Methods inherited from class keel.Algorithms.Lazy_Learning.LazyAlgorithm

euclideanDistance, evaluate2, execute, executeReference, manhattanDistance, normalizeReference, normalizeTest, normalizeTrain, printInstance, readConfiguracion, readDataFiles, readDataFiles, readDataFiles, same, setInitialTime

Methods inherited from class java.lang.Object

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

Constructor Detail

LBR

public LBR(java.lang.String script)

The main method of the class

Parameters:

script - Name of the configuration script

Method Detail

readParameters

protected void readParameters(java.lang.String script)

Reads configuration script, to extract the parameter's values.

Specified by:

readParameters in class LazyAlgorithm

Parameters:

script - Name of the configuration script

evaluate

protected int evaluate(double[] example)

Evaluates a instance to predict its class.

Specified by:

evaluate in class LazyAlgorithm

Parameters:

example - Instance evaluated

Returns:

Class predicted

binomP

public double binomP(double r,
                     double n,
                     double p)

Performs a binomial test

Parameters:

r - R value

n - N Value

p - Probability

Returns:

P-Value obtained