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Population Class |
Population of chromosomes.
Inheritance HierarchySystemObject
Accord.GeneticPopulation
Accord.GeneticPopulation
Namespace: Accord.Genetic
Assembly: Accord.Genetic (in Accord.Genetic.dll) Version: 3.8.0
SyntaxThe Population type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | Population |
Initializes a new instance of the Population class.
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Properties| Name | Description | |
|---|---|---|
 | AutoShuffling |
Determines of auto shuffling is on or off.
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| BestChromosome |
Best chromosome of the population.
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| CrossoverRate |
Crossover rate, [0.1, 1].
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| FitnessAvg |
Average fitness of the population.
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| FitnessFunction |
Fitness function to apply to the population.
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| FitnessMax |
Maximum fitness of the population.
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| FitnessSum |
Summary fitness of the population.
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| Item |
Get chromosome with specified index.
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| MutationRate |
Mutation rate, [0.1, 1].
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| RandomSelectionPortion |
Random selection portion, [0, 0.9].
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| SelectionMethod |
Selection method to use with the population.
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| Size |
Size of the population.
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Methods| Name | Description | |
|---|---|---|
| AddChromosome |
Add chromosome to the population.
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| Crossover |
Do crossover in the population.
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| Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
 | Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| Migrate |
Perform migration between two populations.
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| Mutate |
Do mutation in the population.
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| Regenerate |
Regenerate population.
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| Resize(Int32) |
Resize population to the new specified size.
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| Resize(Int32, ISelectionMethod) |
Resize population to the new specified size.
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| RunEpoch |
Run one epoch of the population.
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| Selection |
Do selection.
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| Shuffle |
Shuffle randomly current population.
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| ToString | Returns a string that represents the current object. (Inherited from Object.) |
Extension Methods| Name | Description | |
|---|---|---|
 | HasMethod |
Checks whether an object implements a method with the given name.
(Defined by ExtensionMethods.) |
| IsEqual |
Compares two objects for equality, performing an elementwise
comparison if the elements are vectors or matrices.
(Defined by Matrix.) |
| To(Type) | Overloaded.
Converts an object into another type, irrespective of whether
the conversion can be done at compile time or not. This can be
used to convert generic types to numeric types during runtime.
(Defined by ExtensionMethods.) |
| ToT | Overloaded.
Converts an object into another type, irrespective of whether
the conversion can be done at compile time or not. This can be
used to convert generic types to numeric types during runtime.
(Defined by ExtensionMethods.) |
RemarksThe class represents population - collection of individuals (chromosomes) and provides functionality for common population's life cycle - population growing with help of genetic operators and selection of chromosomes to new generation with help of selection algorithm. The class may work with any type of chromosomes implementing IChromosome interface, use any type of fitness functions implementing IFitnessFunction interface and use any type of selection algorithms implementing ISelectionMethod interface.
See Also