pyhelios.ParameterOptimization.GeneticAlgorithm Class Reference

Genetic algorithm settings. More...

Detailed Description

Genetic algorithm settings.

Handles continuous, integer, and categorical parameters, and needs no gradient. A good default when the search space is large or poorly behaved.

Definition at line 146 of file ParameterOptimization.py.

Public Member Functions
"GeneticAlgorithm"	explore (cls)
	Exploration-biased preset: large population, high mutation.
"GeneticAlgorithm"	exploit (cls)
	Exploitation-biased preset: smaller population, low mutation.

Static Public Attributes
int	generations = 100
int	population_size = 20
float	crossover_rate = 0.5
float	elitism_rate = 0.05
int	random_seed = 0
CrossoverOperator	crossover = field(default_factory=BLXAlphaCrossover)
MutationOperator	mutation = field(default_factory=PerGeneMutation)

Protected Member Functions
"GeneticAlgorithm"	_from_struct (cls, struct)
	_to_struct (self)

Member Function Documentation

_from_struct()

"GeneticAlgorithm" pyhelios.ParameterOptimization.GeneticAlgorithm._from_struct ( cls, struct )

protected

Definition at line 157 of file ParameterOptimization.py.

_to_struct()

pyhelios.ParameterOptimization.GeneticAlgorithm._to_struct ( self )

protected

Definition at line 198 of file ParameterOptimization.py.

exploit()

"GeneticAlgorithm" pyhelios.ParameterOptimization.GeneticAlgorithm.exploit

(

cls

)

Exploitation-biased preset: smaller population, low mutation.

Definition at line 195 of file ParameterOptimization.py.

explore()

"GeneticAlgorithm" pyhelios.ParameterOptimization.GeneticAlgorithm.explore

(

cls

)

Exploration-biased preset: large population, high mutation.

Definition at line 190 of file ParameterOptimization.py.

Member Data Documentation

crossover

pyhelios.ParameterOptimization.GeneticAlgorithm.crossover = field(default_factory=BLXAlphaCrossover)

static

Definition at line 153 of file ParameterOptimization.py.

crossover_rate

float pyhelios.ParameterOptimization.GeneticAlgorithm.crossover_rate = 0.5

static

Definition at line 150 of file ParameterOptimization.py.

elitism_rate

float pyhelios.ParameterOptimization.GeneticAlgorithm.elitism_rate = 0.05

static

Definition at line 151 of file ParameterOptimization.py.

generations

int pyhelios.ParameterOptimization.GeneticAlgorithm.generations = 100

static

Definition at line 148 of file ParameterOptimization.py.

mutation

pyhelios.ParameterOptimization.GeneticAlgorithm.mutation = field(default_factory=PerGeneMutation)

static

Definition at line 154 of file ParameterOptimization.py.

population_size

int pyhelios.ParameterOptimization.GeneticAlgorithm.population_size = 20

static

Definition at line 149 of file ParameterOptimization.py.

random_seed

int pyhelios.ParameterOptimization.GeneticAlgorithm.random_seed = 0

static

Definition at line 152 of file ParameterOptimization.py.

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The documentation for this class was generated from the following file:

• pyhelios/ParameterOptimization.py