ai.libs.jaicore.ml.tsc.quality_measures

Class FStat

java.lang.Object

ai.libs.jaicore.ml.tsc.quality_measures.FStat

All Implemented Interfaces:

IQualityMeasure, java.io.Serializable

public class FStat
extends java.lang.Object
implements IQualityMeasure

F-Stat quality measure performing a analysis of variance according to chapter 3.2 of the original paper. It analyzes the ratio of the variability between the group of instances within a class to the variability within the class groups.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
FStat()

Method Summary

Modifier and Type	Method and Description
double	assessQuality(java.util.List<java.lang.Double> distances, int[] classValues) Computes a quality score based on the distances of each instance to the shapelet and the corresponding classValues.

Methods inherited from class java.lang.Object

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

Constructor Detail

FStat

public FStat()

Method Detail

assessQuality

public double assessQuality(java.util.List<java.lang.Double> distances,
                            int[] classValues)

Computes a quality score based on the distances of each instance to the shapelet and the corresponding classValues.

Specified by:

assessQuality in interface IQualityMeasure

Parameters:

distances - List of distances storing the distance of each instance to a shapelet

classValues - The class values of the instances

Returns:

Returns the calculated quality score