keel.Algorithms.Preprocess.Feature_Selection.Shared

Class Chromosome

java.lang.Object

keel.Algorithms.Preprocess.Feature_Selection.Shared.Chromosome

All Implemented Interfaces:

java.lang.Comparable<java.lang.Object>

public class Chromosome
extends java.lang.Object
implements java.lang.Comparable<java.lang.Object>

File: Chromosome.java A chromosome implementation for FS algorithms

Since:

JDK1.5

Version:

1.0

Author:

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

Constructor Summary

Constructors

Constructor and Description
Chromosome(int size) Builder.
Chromosome(int[] info) Builder.
Chromosome(int[] info, double fitness) Builder.

Method Summary

Modifier and Type	Method and Description
int	compareTo(java.lang.Object o1) Compare to method
int[]	crossPMX(int[] parent) PMX cross operator
void	evaluate() Fitness function.
double	getFitness() Get the fitness value
int[]	getGenes() Get the body of a chromosome
int	getNGenes() Get the number of genes selected
boolean	getValid() Tests if the chromosome is valid
void	mutation() Mutation Operator
static void	setBeta(double value) Sets beta value
static void	setData(double[][] trainData, int[] trainOutput) Stores the training data
static void	setK(int value) Sets K value
static void	setMutationProb(double value) Sets mutation value
static void	setNClasses(int value) Sets the number of classes
java.lang.String	toString() To string method

Methods inherited from class java.lang.Object

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

Constructor Detail

Chromosome

public Chromosome(int size)

Builder.

Parameters:

size - Initial size

Chromosome

public Chromosome(int[] info)

Builder.

Parameters:

info - Body of the chromosome

Chromosome

public Chromosome(int[] info,
                  double fitness)

Builder.

Parameters:

info - Body of the chromosome

fitness - Fitness of the chromosome

Method Detail

setData

public static void setData(double[][] trainData,
                           int[] trainOutput)

Stores the training data

Parameters:

trainData - Training data

trainOutput - Training output

setBeta

public static void setBeta(double value)

Sets beta value

Parameters:

value - Value for beta

setMutationProb

public static void setMutationProb(double value)

Sets mutation value

Parameters:

value - Value for mutation

setK

public static void setK(int value)

Sets K value

Parameters:

value - Value for K

setNClasses

public static void setNClasses(int value)

Sets the number of classes

Parameters:

value - Number of classes

getGenes

public int[] getGenes()

Get the body of a chromosome

Returns:

Body of a chromosome

getNGenes

public int getNGenes()

Get the number of genes selected

Returns:

Number of genes selected

getFitness

public double getFitness()

Get the fitness value

Returns:

Fitness value

getValid

public boolean getValid()

Tests if the chromosome is valid

Returns:

True if the chromosome is valid. False if not

evaluate

public void evaluate()

Fitness function. Evalutes the chromosome.

crossPMX

public int[] crossPMX(int[] parent)

PMX cross operator

Parameters:

parent - Parent chromosome

Returns:

Offspring

mutation

public void mutation()

Mutation Operator

compareTo

public int compareTo(java.lang.Object o1)

Compare to method

Specified by:

compareTo in interface java.lang.Comparable<java.lang.Object>

Parameters:

o1 - Chromosome to compare

Returns:

Relative order

toString

public java.lang.String toString()

To string method

Overrides:

toString in class java.lang.Object

Returns:

String representation of the chromosome