org.jgap.audit

Class Evaluator

java.lang.Object

org.jgap.audit.Evaluator

All Implemented Interfaces:

java.io.Serializable

public class Evaluator
extends java.lang.Object
implements java.io.Serializable

Gathers statistical data and returns them on request.

Since:

2.2

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	Evaluator.ChromosomeData
class	Evaluator.GenotypeData Genotype data for one single run
class	Evaluator.GenotypeDataAvg Averaged genotype data (computed over all runs of a permutation)

Constructor Summary

Constructors

Constructor and Description
Evaluator(PermutingConfiguration a_conf)

Method Summary

Modifier and Type	Method and Description
KeyedValues2D	calcAvgFitness(int a_permutation) Calculates the average fitness value curve for a given permutation.
KeyedValues2D	calcAvgFitnessImpr(int a_permutation) Calculates average fitness value improvement per generation.
Evaluator.GenotypeDataAvg	calcPerformance(int a_permutation) Calculates performance metrics for a given permutation and run stored before with storeGenotype, like: average fitness, maximum fitness...
KeyedValues2D	getData()
java.util.List<Evaluator.GenotypeDataAvg>	getGenotypeAverageData()
int	getNumberOfRuns(int a_permutation)
java.lang.Number	getValue(java.lang.Comparable rowKey, java.lang.Comparable columnKey)
java.lang.Number	getValue(int a_permutation, int a_run, java.lang.Comparable rowKey, java.lang.Comparable columnKey)
boolean	hasNext()
Configuration	next()
Evaluator.GenotypeData	retrieveGenotype(int a_permutation, int a_run)
void	setValue(double a_value, java.lang.Comparable a_rowKey, java.lang.Comparable a_columnKey)
void	setValue(int a_permutation, int a_run, double a_value, java.lang.Comparable a_rowKey, java.lang.Comparable a_columnKey) Sets a specific value.
void	storeGenotype(int a_permutation, int a_run, Genotype a_genotype) Stores information contained in the given genotype.
void	storePopulation(int a_permutation, int a_run, Population a_pop) Stores information contained in the given genotype.

Methods inherited from class java.lang.Object

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

Constructor Detail

Evaluator

public Evaluator(PermutingConfiguration a_conf)

Method Detail

hasNext

public boolean hasNext()

next

public Configuration next()
                   throws InvalidConfigurationException

Throws:

InvalidConfigurationException

setValue

public void setValue(double a_value,
                     java.lang.Comparable a_rowKey,
                     java.lang.Comparable a_columnKey)

getValue

public java.lang.Number getValue(java.lang.Comparable rowKey,
                                 java.lang.Comparable columnKey)

setValue

public void setValue(int a_permutation,
                     int a_run,
                     double a_value,
                     java.lang.Comparable a_rowKey,
                     java.lang.Comparable a_columnKey)

Sets a specific value.

Parameters:

a_permutation - int

a_run - int

a_value - double

a_rowKey - Comparable

a_columnKey - Comparable

Since:

2.2

getValue

public java.lang.Number getValue(int a_permutation,
                                 int a_run,
                                 java.lang.Comparable rowKey,
                                 java.lang.Comparable columnKey)

getData

public KeyedValues2D getData()

calcAvgFitness

public KeyedValues2D calcAvgFitness(int a_permutation)

Calculates the average fitness value curve for a given permutation. If permutation -1 is given, a composition of all permutations available is created.

Parameters:

a_permutation - -1 to use all permutations

Returns:

DefaultKeyedValues2D list of fitness values, one for each individual in the generation

Since:

2.2

calcAvgFitnessImpr

public KeyedValues2D calcAvgFitnessImpr(int a_permutation)

Calculates average fitness value improvement per generation.

Parameters:

a_permutation - int

Returns:

DefaultKeyedValues2D

Since:

2.2

getNumberOfRuns

public int getNumberOfRuns(int a_permutation)

Parameters:

a_permutation - the permutation to determine the number of runs for

Returns:

the number of runs for the given permutation

storeGenotype

public void storeGenotype(int a_permutation,
                          int a_run,
                          Genotype a_genotype)

Stores information contained in the given genotype.

Parameters:

a_permutation - int

a_run - index of the run proceeded for the given genotype

a_genotype - the genotype holding the population of chromosomes

Since:

2.2

storePopulation

public void storePopulation(int a_permutation,
                            int a_run,
                            Population a_pop)

Stores information contained in the given genotype.

Parameters:

a_permutation - int

a_run - index of the run proceeded for the given genotype

a_pop - the population holding the relevant chromosomes

Since:

3.5 (originally named storeGenotype)

retrieveGenotype

public Evaluator.GenotypeData retrieveGenotype(int a_permutation,
                                               int a_run)

calcPerformance

public Evaluator.GenotypeDataAvg calcPerformance(int a_permutation)

Calculates performance metrics for a given permutation and run stored before with storeGenotype, like: average fitness, maximum fitness...

Parameters:

a_permutation - the permutation to compute the performance metrics for

Returns:

computed statistical data

Since:

2.2

getGenotypeAverageData

public java.util.List<Evaluator.GenotypeDataAvg> getGenotypeAverageData()

Returns:

Averaged genotype data

Since:

3.5