HubertKappaAgreement (DKPro Statistics 2.2.0-SNAPSHOT API)

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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 and Description

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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and 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 Detail
  - HubertKappaAgreement
```
public HubertKappaAgreement(ICodingAnnotationStudy study)
```
    Initializes the instance for the given annotation study. The study should never be null.
- Method Detail
  - 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:
    
    NullPointerException - if the annotation study is null.
    
    ArithmeticException - if there are no items in the annotation study.

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