org.encog.ml.genetic.population
Interface Population

All Superinterfaces:

Serializable

All Known Implementing Classes:

BasicPopulation, NEATPopulation

public interface Population
extends Serializable

Defines a population of genomes.

Field Summary

static String	PROPERTY_GENOMES Property tag for the genomes collection.
static String	PROPERTY_INNOVATIONS Property tag for the innovations collection.
static String	PROPERTY_NEXT_GENE_ID Property tag for the next gene id.
static String	PROPERTY_NEXT_GENOME_ID Property tag for the next genome id.
static String	PROPERTY_NEXT_INNOVATION_ID Property tag for the next innovation id.
static String	PROPERTY_NEXT_SPECIES_ID Property tag for the next species id.
static String	PROPERTY_OLD_AGE_PENALTY Property tag for the old age penalty.
static String	PROPERTY_OLD_AGE_THRESHOLD Property tag for the old age threshold.
static String	PROPERTY_POPULATION_SIZE Property tag for the population size.
static String	PROPERTY_SPECIES Property tag for the species collection.
static String	PROPERTY_SURVIVAL_RATE Property tag for the survival rate.
static String	PROPERTY_YOUNG_AGE_BONUS Property tag for the young age bonus.
static String	PROPERTY_YOUNG_AGE_THRESHOLD Property tag for the young age threshold.

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	claim(GeneticAlgorithm ga) Claim the population, before training.
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.

Field Detail

PROPERTY_NEXT_GENE_ID

static final String PROPERTY_NEXT_GENE_ID

Property tag for the next gene id.

See Also:

Constant Field Values

PROPERTY_NEXT_GENOME_ID

static final String PROPERTY_NEXT_GENOME_ID

Property tag for the next genome id.

See Also:

Constant Field Values

PROPERTY_NEXT_INNOVATION_ID

static final String PROPERTY_NEXT_INNOVATION_ID

Property tag for the next innovation id.

See Also:

Constant Field Values

PROPERTY_NEXT_SPECIES_ID

static final String PROPERTY_NEXT_SPECIES_ID

Property tag for the next species id.

See Also:

Constant Field Values

PROPERTY_OLD_AGE_PENALTY

static final String PROPERTY_OLD_AGE_PENALTY

Property tag for the old age penalty.

See Also:

Constant Field Values

PROPERTY_OLD_AGE_THRESHOLD

static final String PROPERTY_OLD_AGE_THRESHOLD

Property tag for the old age threshold.

See Also:

Constant Field Values

PROPERTY_POPULATION_SIZE

static final String PROPERTY_POPULATION_SIZE

Property tag for the population size.

See Also:

Constant Field Values

PROPERTY_SURVIVAL_RATE

static final String PROPERTY_SURVIVAL_RATE

Property tag for the survival rate.

See Also:

Constant Field Values

PROPERTY_YOUNG_AGE_BONUS

static final String PROPERTY_YOUNG_AGE_BONUS

Property tag for the young age bonus.

See Also:

Constant Field Values

PROPERTY_YOUNG_AGE_THRESHOLD

static final String PROPERTY_YOUNG_AGE_THRESHOLD

Property tag for the young age threshold.

See Also:

Constant Field Values

PROPERTY_GENOMES

static final String PROPERTY_GENOMES

Property tag for the genomes collection.

See Also:

Constant Field Values

PROPERTY_INNOVATIONS

static final String PROPERTY_INNOVATIONS

Property tag for the innovations collection.

See Also:

Constant Field Values

PROPERTY_SPECIES

static final String PROPERTY_SPECIES

Property tag for the species collection.

See Also:

Constant Field Values

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.

claim

void claim(GeneticAlgorithm ga)

Claim the population, before training.

Parameters:

ga - The GA that is claiming.