org.encog.ml.fitness
Class MultiObjectiveFitness

java.lang.Object
  org.encog.ml.fitness.MultiObjectiveFitness

All Implemented Interfaces:

Serializable, CalculateScore

public class MultiObjectiveFitness
extends Object
implements CalculateScore, Serializable

A multi-objective fitness function.

See Also:

Serialized Form

Constructor Summary

MultiObjectiveFitness()

Method Summary

void	addObjective(double weight, CalculateScore fitnessFunction) Add an objective.
double	calculateScore(MLMethod method) Calculate this network's score.
boolean	requireSingleThreaded()
boolean	shouldMinimize()

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiObjectiveFitness

public MultiObjectiveFitness()

Method Detail

addObjective

public void addObjective(double weight,
                         CalculateScore fitnessFunction)

Add an objective.

Parameters:

weight - The weight of this objective, 1.0 for full, 0.5 for half, etc.

fitnessFunction - The fitness function.

calculateScore

public double calculateScore(MLMethod method)

Calculate this network's score.

Specified by:

calculateScore in interface CalculateScore

Parameters:

method - The ML method.

Returns:

The score.

shouldMinimize

public boolean shouldMinimize()

Specified by:

shouldMinimize in interface CalculateScore

Returns:

True if the goal is to minimize the score.

requireSingleThreaded

public boolean requireSingleThreaded()

Specified by:

requireSingleThreaded in interface CalculateScore

Returns:

True, if this score function cannot be done in parallel.