com.rapidminer.tools.math.optimization.ec.es
Class Population

java.lang.Object
  com.rapidminer.tools.math.optimization.ec.es.Population

public class Population
extends java.lang.Object

A set of individuals. Each individual contains the values vector and information about its fitness.

Author:

Ingo Mierswa

Field Summary

static java.util.Comparator<Individual>

PERFORMANCE_COMPARATOR

Constructor Summary

Population()

Method Summary

void	add(Individual individual) Adds a single individual.
void	addAll(java.util.Collection<Individual> newIndividuals) Adds all individuals from the given collection.
void	clear() Removes all individuals.
Individual	get(int i) Returns a single individual.
Individual	getBestEver()
Individual	getCurrentBest()
int	getGeneration()
int	getGenerationsWithoutImprovement()
int	getNumberOfIndividuals() Returns the number of all individuals.
void	nextGeneration()
void	remove(Individual individual) Removes a single individual.
void	remove(int i) Removes a single individual.
void	setBestEver(Individual bestEver)
void	setCurrentBest(Individual currentBest)
void	sort() Sorts the individuals in ascending order according to their performance, thus the best one will be in last position.
void	sort(java.util.Comparator<Individual> comparator) Sorts the individuals in ascending order according to their performance, thus the best one will be in last position.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

PERFORMANCE_COMPARATOR

public static final java.util.Comparator<Individual> PERFORMANCE_COMPARATOR

Constructor Detail

Population

public Population()

Method Detail

clear

public void clear()

Removes all individuals.

add

public void add(Individual individual)

Adds a single individual.

addAll

public void addAll(java.util.Collection<Individual> newIndividuals)

Adds all individuals from the given collection.

remove

public void remove(Individual individual)

Removes a single individual.

remove

public void remove(int i)

Removes a single individual.

get

public Individual get(int i)

Returns a single individual.

getNumberOfIndividuals

public int getNumberOfIndividuals()

Returns the number of all individuals.

setCurrentBest

public void setCurrentBest(Individual currentBest)

getCurrentBest

public Individual getCurrentBest()

setBestEver

public void setBestEver(Individual bestEver)

getBestEver

public Individual getBestEver()

nextGeneration

public void nextGeneration()

getGeneration

public int getGeneration()

getGenerationsWithoutImprovement

public int getGenerationsWithoutImprovement()

sort

public void sort()

Sorts the individuals in ascending order according to their performance, thus the best one will be in last position.

sort

public void sort(java.util.Comparator<Individual> comparator)

Sorts the individuals in ascending order according to their performance, thus the best one will be in last position.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object