`geneticengine.representations.grammatical_evolution.dynamic_structured_ge`

Module Contents

Classes

`Genotype`
`DynamicStructuredListWrapper`
`DynamicStructuredGrammaticalEvolutionRepresentation`	This version uses a list of lists of integers to represent individuals,

Functions

`filter_choices`(possible_choices, g, depth, starting_symbol)
`assert_depth_error`(max_depth, g, starting_symbol)
`random_individual`(r, g, starting_symbol[, ...])
`create_tree`(g, ind, depth[, initialization_mode])

Attributes

`INFRASTRUCTURE_KEY`
`LEFTOVER_KEY`
`MAX_RAND_LIST_SIZE`

geneticengine.representations.grammatical_evolution.dynamic_structured_ge.INFRASTRUCTURE_KEY = '$infrastructure'

geneticengine.representations.grammatical_evolution.dynamic_structured_ge.LEFTOVER_KEY = '$leftovers'

geneticengine.representations.grammatical_evolution.dynamic_structured_ge.MAX_RAND_LIST_SIZE = 10

class geneticengine.representations.grammatical_evolution.dynamic_structured_ge.Genotype

dna: dict[str, list[int]]

register_production(prod_index, starting_symbol)

Parameters:: prod_index (int) –

geneticengine.representations.grammatical_evolution.dynamic_structured_ge.filter_choices(possible_choices, g, depth, starting_symbol)

Parameters:

possible_choices (list[type]) –
g (geneticengine.grammar.grammar.Grammar) –

geneticengine.representations.grammatical_evolution.dynamic_structured_ge.assert_depth_error(max_depth, g, starting_symbol)

geneticengine.representations.grammatical_evolution.dynamic_structured_ge.random_individual(r, g, starting_symbol, current_genotype=None, max_depth=5)

Parameters:

r (geneticengine.random.sources.RandomSource) –
g (geneticengine.grammar.grammar.Grammar) –
starting_symbol (Any) –
current_genotype (Genotype | None) –
max_depth (int) –

Return type:

Genotype

class geneticengine.representations.grammatical_evolution.dynamic_structured_ge.DynamicStructuredListWrapper(ind)

Bases: geneticengine.random.sources.RandomSource

Parameters:: ind (Genotype) –

ind: Genotype

indexes: dict[str, int]

register_index(prod)

randint(min, max, prod='')

Parameters:

min (int) –
max (int) –
prod (str) –

Return type:

int

random_float(min, max, prod='')

Parameters:

min (float) –
max (float) –
prod (str) –

Return type:

float

geneticengine.representations.grammatical_evolution.dynamic_structured_ge.create_tree(g, ind, depth, initialization_mode=pi_grow_method)

Parameters:

g (geneticengine.grammar.grammar.Grammar) –
ind (Genotype) –
depth (int) –
initialization_mode (geneticengine.representations.tree.initializations.InitializationMethodType) –

Return type:

geneticengine.solutions.tree.TreeNode

class geneticengine.representations.grammatical_evolution.dynamic_structured_ge.DynamicStructuredGrammaticalEvolutionRepresentation(grammar, max_depth, gene_length=256, initialization_mode=pi_grow_method)

Bases: geneticengine.representations.api.Representation[Genotype, geneticengine.solutions.tree.TreeNode], geneticengine.representations.api.RepresentationWithMutation[Genotype], geneticengine.representations.api.RepresentationWithCrossover[Genotype]

This version uses a list of lists of integers to represent individuals, based on non-terminal symbols.

Parameters:

grammar (Grammar) – The grammar to use in the mapping
max_depth (int) – the maximum depth when performing the mapping
initialization_mode (InitializationMethodType) – method to create individuals in the mapping (e.g., pi_grow, full, grow)
gene_length (int) –