Module es.upm.fi.cig.multictbnc

Package es.upm.fi.cig.multictbnc.conceptdriftdetection

Class PageHinkleyTest

java.lang.Object

es.upm.fi.cig.multictbnc.conceptdriftdetection.PageHinkleyTest

public class PageHinkleyTest
extends Object

Implements the Page Hinkley Test for concept drift detection.

Constructor Summary

Constructors

Constructor	Description
PageHinkleyTest(double magnitudeThreshold, double detectionThreshold, boolean resetAfterConceptDrift, Integer windowSize)	Initializes the Page Hinkley Test with the specified parameters.

Method Summary

Modifier and Type	Method	Description
boolean	detectChange(double newValue)	Detects concept drifts based on a new observation.
double	getPageHinkleyValue()	Returns the last Page Hinkley value calculated.

Methods inherited from class java.lang.Object

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

Constructor Details

PageHinkleyTest

public PageHinkleyTest(double magnitudeThreshold,
 double detectionThreshold,
 boolean resetAfterConceptDrift,
 Integer windowSize)

Initializes the Page Hinkley Test with the specified parameters.

Parameters:

magnitudeThreshold - magnitude threshold

detectionThreshold - detection threshold

resetAfterConceptDrift - whether to reset statistics after detecting a concept drift

windowSize - size of the sliding window for calculations

Method Details

detectChange

public boolean detectChange(double newValue)

Detects concept drifts based on a new observation.

Parameters:

newValue - the new observation value

Returns:

true if concept drift is detected, false otherwise

getPageHinkleyValue

public double getPageHinkleyValue()

Returns the last Page Hinkley value calculated.

Returns:

Page Hinkley value