Package org.biojavax.ga.functions
Class ProportionalSelection
java.lang.Object
org.biojavax.ga.functions.ProportionalSelection
- All Implemented Interfaces:
SelectionFunction
A Selection function that determines the proportion of individuals in a new population proportionally to their fitness. The population size is not allowed to grow. Individuals are randomly selected for replication, those with greater fitness tend to replicate more often.
- Version:
- 1.1
- Author:
- Mark Schreiber, Susanne Merz, Andreas Dräger
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Nested Class Summary
Nested classes/interfaces inherited from interface org.biojavax.ga.functions.SelectionFunction
SelectionFunction.SelectAll, SelectionFunction.Threshold
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Field Summary
Fields inherited from interface org.biojavax.ga.functions.SelectionFunction
DEFAULT
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionselect
(Population pop, GeneticAlgorithm genAlg) Selects aPopulation
ofOrganisms
for replication based on their fitness.
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Constructor Details
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ProportionalSelection
public ProportionalSelection()
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Method Details
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select
Description copied from interface:SelectionFunction
Selects aPopulation
ofOrganisms
for replication based on their fitness.- Specified by:
select
in interfaceSelectionFunction
- Parameters:
pop
- thePopulation
to select from.genAlg
- the parentGeneticAlgorithm
.- Returns:
- the
Organism
s selected - Throws:
ChangeVetoException
- if the function attempts to change the population and it is vetoed.
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