keel.Algorithms.Genetic_Rule_Learning.COGIN

Class Cogin

java.lang.Object

keel.Algorithms.Genetic_Rule_Learning.COGIN.Cogin

public class Cogin
extends java.lang.Object

This class implements the COGIN algorithm from:

David Perry Greene and Stephen F. Smith. Competition-Based Induction of Decision Models from Examples. Machine Learning, 13: 229-257, 1993.

Since:

JDK 1.5

Version:

0.2

Author:

Written by Julián Luengo Martín 08/02/2007

Constructor Summary

Constructors

Constructor and Description
Cogin() Default constructor
Cogin(java.lang.String paramfile) Builds up the COGIN with the provided parameters in KEEL format

Method Summary

Modifier and Type	Method and Description
protected double	classify(InstanceSet ISet, java.lang.String[] instanciasIN, java.lang.String[] instanciasOUT)
protected void	competitiveReplacement()
protected void	evaluate()
protected void	initialize()
protected void	onePointCrossover()
protected void	printRules()
protected void	randomSelection()
void	run() Process the training and test files provided in the parameters file to the constructor.
static void	writeOutput(java.lang.String fileName, java.lang.String[] instancesIN, java.lang.String[] instancesOUT, Attribute[] inputs, Attribute output, int nInputs, java.lang.String relation) Writes the output in KEEL format

Methods inherited from class java.lang.Object

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

Constructor Detail

Cogin

public Cogin()

Default constructor

Cogin

public Cogin(java.lang.String paramfile)

Builds up the COGIN with the provided parameters in KEEL format

Parameters:

paramfile - The path to the configuration file with all the parameters in KEEL format

Method Detail

initialize

protected void initialize()

randomSelection

protected void randomSelection()

onePointCrossover

protected void onePointCrossover()

evaluate

protected void evaluate()

competitiveReplacement

protected void competitiveReplacement()

run

public void run()

Process the training and test files provided in the parameters file to the constructor.

writeOutput

public static void writeOutput(java.lang.String fileName,
                               java.lang.String[] instancesIN,
                               java.lang.String[] instancesOUT,
                               Attribute[] inputs,
                               Attribute output,
                               int nInputs,
                               java.lang.String relation)

Writes the output in KEEL format

Parameters:

fileName - output file

instancesIN - output from instances of the input data set

instancesOUT - class of classified instances

inputs - the input attributes

output - the output attribute

nInputs - number of input attributes

relation - data set name

classify

protected double classify(InstanceSet ISet,
                          java.lang.String[] instanciasIN,
                          java.lang.String[] instanciasOUT)

printRules

protected void printRules()