keel.Algorithms.Lazy_Learning.KNNAdaptive

Class KNNAdaptive

java.lang.Object

keel.Algorithms.Lazy_Learning.LazyAlgorithm

keel.Algorithms.Lazy_Learning.KNNAdaptive.KNNAdaptive

public class KNNAdaptive
extends LazyAlgorithm

File: KNNAdaptive.java The KNN Adaptive Algorithm. Similar to the KNN algorithm, distances are weighted by the distance from the training instance to its nearest enemy.

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
KNNAdaptive(java.lang.String script) The main method of the class

Method Summary

Modifier and Type	Method and Description
void	calculateRadius() Precalculates the radius of each train instance
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

KNNAdaptive

public KNNAdaptive(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

calculateRadius

public void calculateRadius()

Precalculates the radius of each train instance