Package org.moeaframework.util.statistics

Class IntervalRatioStatisticalTest

java.lang.Object
org.moeaframework.util.statistics.IntervalRatioStatisticalTest
All Implemented Interfaces:
StatisticalTest
Direct Known Subclasses:
OneWayANOVA, SingleSampleTTest, TwoSampleTTest
public abstract class IntervalRatioStatisticalTest extends Object implements StatisticalTest
Abstract class for interval ratio statistical tests.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected final List<Observation>
    data
    Collection of all observations added to this test.
    protected final int
    numberOfGroups
    The number of groups being tested.

  • Constructor Summary

    Constructors
    Constructor
    Description
    IntervalRatioStatisticalTest(int numberOfGroups)
    Constructs an interval ratio statistical test with the specified number of groups.

  • Method Summary

    Modifier and Type
    Method
    Description
    protected void
    add(double value, int group)
    Adds a new observation with the specified value and group.
    protected void
    addAll(double[] values, int group)
    Adds several new observations to the specified group.
    protected List<double[]>
    categorize()
    Organizes the observations by their group.
    int
    getNumberOfGroups()
    Returns the number of groups being tested.
    protected org.apache.commons.math3.stat.descriptive.DescriptiveStatistics
    getStatistics(int group)
    Returns the descriptive statistics for the given group.

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.moeaframework.util.statistics.StatisticalTest

    test

  • Field Details

    • numberOfGroups

      protected final int numberOfGroups
      The number of groups being tested.

    • data

      protected final List<Observation> data
      Collection of all observations added to this test.

  • Constructor Details

    • IntervalRatioStatisticalTest

      public IntervalRatioStatisticalTest(int numberOfGroups)
      Constructs an interval ratio statistical test with the specified number of groups.
      Parameters:
      numberOfGroups - the number of groups being tested

  • Method Details

    • add

      protected void add(double value, int group)
      Adds a new observation with the specified value and group.
      Parameters:
      value - the value of the new observation
      group - the group to which the new observation belongs

    • addAll

      protected void addAll(double[] values, int group)
      Adds several new observations to the specified group.
      Parameters:
      values - the values of the new observations
      group - the group to which the new observations belong

    • categorize

      protected List<double[]> categorize()
      Organizes the observations by their group.
      Returns:
      a list containing the vectorized values observed for each group

    • getNumberOfGroups

      public int getNumberOfGroups()
      Returns the number of groups being tested.
      Returns:
      the number of groups being tested

    • getStatistics

      protected org.apache.commons.math3.stat.descriptive.DescriptiveStatistics getStatistics(int group)
      Returns the descriptive statistics for the given group.
      Parameters:
      group - the group
      Returns:
      the descriptive statistics