Package adams.opt.genetic.stopping

Class MaxIterationsWithoutImprovement

  • All Implemented Interfaces:
    Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, SizeOfHandler, Serializable
    public class MaxIterationsWithoutImprovement
extends AbstractStoppingCriterion
    Stops after the maximum number of seconds since last improvement has been reached. 

    -logging-level <OFF|SEVERE|WARNING|INFO|CONFIG|FINE|FINER|FINEST> (property: loggingLevel)
    The logging level for outputting errors and debugging output.
    default: WARNING
 
    -num-iter <int> (property: numIterations)
    The maximum number of iterations to perform without improvement.
    default: 10
    minimum: 1
 
    -min-improvement <double> (property: minimumImprovement)
    The minimum improvement in percent (0-1) to achieve in the alotted time.
    default: 0.0
    minimum: 0.0
    maximum: 1.0
    Version:
    $Revision$
    Author:
    FracPete (fracpete at waikato dot ac dot nz)
    See Also:
    Serialized Form

    • Field Detail

      • m_NumIterations

        protected int m_NumIterations
        number of iterations to perform.

      • m_MinimumImprovement

        protected double m_MinimumImprovement
        the minimum required improvement (percent: 0-1).

      • m_NoImprovement

        protected int m_NoImprovement
        the number of iterations without improvement.

      • m_LastFitness

        protected Double m_LastFitness
        the last fitness.

    • Constructor Detail

      • MaxIterationsWithoutImprovement

        public MaxIterationsWithoutImprovement()

    • Method Detail

      • setNumIterations

        public void setNumIterations​(int value)
        Sets the number of iterations to perform.
        Parameters:
        value - the number

      • getNumIterations

        public int getNumIterations()
        Returns the number of iterations to perform.
        Returns:
        the number

      • numIterationsTipText

        public String numIterationsTipText()
        Returns the tip text for this property.
        Returns:
        tip text for this property suitable for displaying in the GUI or for listing the options.

      • setMinimumImprovement

        public void setMinimumImprovement​(double value)
        Sets the minimum improvement in percent (0-1) to achieve in the alotted time.
        Parameters:
        value - the minimum

      • getMinimumImprovement

        public double getMinimumImprovement()
        Returns the minimum improvement in percent (0-1) to achieve in the alotted time.
        Returns:
        the minimum

      • minimumImprovementTipText

        public String minimumImprovementTipText()
        Returns the tip text for this property.
        Returns:
        tip text for this property suitable for displaying in the GUI or for listing the options.

      • record

        protected void record​(AbstractGeneticAlgorithm genetic)
        Records fitness, resets counter.
        Parameters:
        genetic - the algorithm