Package org.dkpro.statistics.agreement.coding

Class HubertKappaAgreement

java.lang.Object

org.dkpro.statistics.agreement.AgreementMeasure

org.dkpro.statistics.agreement.coding.CodingAgreementMeasure

org.dkpro.statistics.agreement.coding.HubertKappaAgreement

All Implemented Interfaces:

ICodingAgreementMeasure, IAgreementMeasure

public class HubertKappaAgreement
extends CodingAgreementMeasure

• Conger, A.J.: Integration and generalization of kappas for multiple raters. Psychological Bulletin 88(2):322-328, 1980.
• Davies, M. & Fleiss, J.L.: Measuring agreement for multinomial data. Biometrics 38(4):1047–1051, 1982.
• Hubert, L.: Kappa revisited. Psychological Bulletin 84(2):289-297, 1977.

Author:

Christian M. Meyer

Field Summary

Fields inherited from class org.dkpro.statistics.agreement.coding.CodingAgreementMeasure

study

Constructor Summary

Constructors

Constructor	Description
HubertKappaAgreement(ICodingAnnotationStudy study)	Initializes the instance for the given annotation study.

Method Summary

Modifier and Type	Method	Description
double	calculateExpectedAgreement()	Calculates the expected inter-rater agreement that assumes the same distribution for all raters and annotations.

Methods inherited from class org.dkpro.statistics.agreement.coding.CodingAgreementMeasure

calculateObservedAgreement, doCalculateItemAgreement, ensureTwoRaters, warnIfMissingValues

Methods inherited from class org.dkpro.statistics.agreement.AgreementMeasure

calculateAgreement

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.dkpro.statistics.agreement.IAgreementMeasure

calculateAgreement

Constructor Details

HubertKappaAgreement

public HubertKappaAgreement(ICodingAnnotationStudy study)

Initializes the instance for the given annotation study. The study should never be null.

Method Details

calculateExpectedAgreement

public double calculateExpectedAgreement()

Calculates the expected inter-rater agreement that assumes the same distribution for all raters and annotations.

Overrides:

calculateExpectedAgreement in class AgreementMeasure

Throws:

java.lang.NullPointerException - if the annotation study is null.

java.lang.ArithmeticException - if there are no items in the annotation study.