ai.libs.jaicore.ml.tsc.shapelets.search

Class AMinimumDistanceSearchStrategy

java.lang.Object

ai.libs.jaicore.ml.tsc.shapelets.search.AMinimumDistanceSearchStrategy

Direct Known Subclasses:

EarlyAbandonMinimumDistanceSearchStrategy, ExhaustiveMinimumDistanceSearchStrategy

public abstract class AMinimumDistanceSearchStrategy
extends java.lang.Object

Abstract class for minimum distance search strategies. Subclasses implement functionality to find the minimum distance between a given Shapelet object and a time series.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	useBiasCorrection Indicator whether Bessel's correction should be used within any distance calculation;

Constructor Summary

Constructors

Constructor and Description
AMinimumDistanceSearchStrategy(boolean useBiasCorrection) Constructor.

Method Summary

Modifier and Type	Method and Description
abstract double	findMinimumDistance(Shapelet shapelet, double[] timeSeries) Function returning the minimum distance among all subsequences of the given timeSeries to the shapelet's data.

Methods inherited from class java.lang.Object

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

Field Detail

useBiasCorrection

protected boolean useBiasCorrection

Indicator whether Bessel's correction should be used within any distance calculation;

Constructor Detail

AMinimumDistanceSearchStrategy

public AMinimumDistanceSearchStrategy(boolean useBiasCorrection)

Constructor.

Parameters:

useBiasCorrection - See useBiasCorrection

Method Detail

findMinimumDistance

public abstract double findMinimumDistance(Shapelet shapelet,
                                           double[] timeSeries)

Function returning the minimum distance among all subsequences of the given timeSeries to the shapelet's data.

Parameters:

shapelet - The shapelet to be compared to all subsequences

timeSeries - The time series which subsequences are compared to the shapelet's data

Returns:

Return the minimum distance among all subsequences