org.encog.solve.genetic.population
Interface Population

All Superinterfaces:

EncogPersistedObject, Serializable

All Known Implementing Classes:

BasicPopulation

public interface Population
extends EncogPersistedObject

Defines a population of genomes.

Method Summary

void	add(Genome genome) Add a genome to the population.
void	addAll(List<? extends Genome> newPop) Add all of the specified members to this population.
long	assignGeneID()
long	assignGenomeID()
long	assignInnovationID()
long	assignSpeciesID()
void	clear() Clear all genomes from this population.
Genome	get(int i) Get a genome by index.
Genome	getBest()
List<Genome>	getGenomes()
InnovationList	getInnovations()
double	getOldAgePenalty()
int	getOldAgeThreshold()
int	getPopulationSize()
List<Species>	getSpecies()
double	getSurvivalRate()
int	getYoungBonusAgeThreshold()
double	getYoungScoreBonus()
void	setInnovations(InnovationList innovations) Set the innovations collection.
void	setOldAgePenalty(double oldAgePenalty) Set the old age penalty.
void	setOldAgeThreshold(int oldAgeThreshold) Set the age at which a genome is considered "old".
void	setPopulationSize(int populationSize) Set the max population size.
void	setSurvivalRate(double survivalRate) Set the survival rate.
void	setYoungBonusAgeThreshhold(int youngBonusAgeThreshhold) Set the age at which genoms are considered young.
void	setYoungScoreBonus(double youngScoreBonus) Set the youth score bonus.
int	size()
void	sort() Sort the population by best score.

Methods inherited from interface org.encog.persist.EncogPersistedObject

createPersistor, getCollection, getDescription, getName, setCollection, setDescription, setName

Method Detail

add

void add(Genome genome)

Add a genome to the population.

Parameters:

genome - The genome to add.

addAll

void addAll(List<? extends Genome> newPop)

Add all of the specified members to this population.

Parameters:

newPop - A list of new genomes to add.

assignGeneID

long assignGeneID()

Returns:

Assign a gene id.

assignGenomeID

long assignGenomeID()

Returns:

Assign a genome id.

assignInnovationID

long assignInnovationID()

Returns:

Assign an innovation id.

assignSpeciesID

long assignSpeciesID()

Returns:

Assign a species id.

clear

void clear()

Clear all genomes from this population.

get

Genome get(int i)

Get a genome by index. Index 0 is the best genome.

Parameters:

i - The genome to get.

Returns:

The genome at the specified index.

getBest

Genome getBest()

Returns:

The best genome in the population.

getGenomes

List<Genome> getGenomes()

Returns:

The genomes in the population.

getInnovations

InnovationList getInnovations()

Returns:

A list of innovations in this population.

getOldAgePenalty

double getOldAgePenalty()

Returns:

The percent to decrease "old" genom's score by.

getOldAgeThreshold

int getOldAgeThreshold()

Returns:

The age at which to consider a genome "old".

getPopulationSize

int getPopulationSize()

Returns:

The max population size.

getSpecies

List<Species> getSpecies()

Returns:

A list of species.

getSurvivalRate

double getSurvivalRate()

Returns:

The survival rate.

getYoungBonusAgeThreshold

int getYoungBonusAgeThreshold()

Returns:

The age, below which, a genome is considered "young".

getYoungScoreBonus

double getYoungScoreBonus()

Returns:

The bonus given to "young" genomes.

setInnovations

void setInnovations(InnovationList innovations)

Set the innovations collection.

Parameters:

innovations - The innovations collection.

setOldAgePenalty

void setOldAgePenalty(double oldAgePenalty)

Set the old age penalty.

Parameters:

oldAgePenalty - The old age penalty.

setOldAgeThreshold

void setOldAgeThreshold(int oldAgeThreshold)

Set the age at which a genome is considered "old".

Parameters:

oldAgeThreshold - The old age threshold.

setPopulationSize

void setPopulationSize(int populationSize)

Set the max population size.

Parameters:

populationSize - The max population size.

setSurvivalRate

void setSurvivalRate(double survivalRate)

Set the survival rate.

Parameters:

survivalRate - The survival rate.

setYoungBonusAgeThreshhold

void setYoungBonusAgeThreshhold(int youngBonusAgeThreshhold)

Set the age at which genoms are considered young.

Parameters:

youngBonusAgeThreshhold - The age.

setYoungScoreBonus

void setYoungScoreBonus(double youngScoreBonus)

Set the youth score bonus.

Parameters:

youngScoreBonus - The bonus.

size

int size()

Returns:

The size of the population.

sort

void sort()

Sort the population by best score.