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Journal of Classification

, Volume 25, Issue 2, pp 177–183 | Cite as

On the Equivalence of Cohen’s Kappa and the Hubert-Arabie Adjusted Rand Index

  • Matthijs J. Warrens
Article

Abstract

It is shown that one can calculate the Hubert-Arabie adjusted Rand index by first forming the fourfold contingency table counting the number of pairs of objects that were placed in the same cluster in both partitions, in the same cluster in one partition but in different clusters in the other partition, and in different clusters in both, and then computing Cohen’s κ on this fourfold table.

Keywords

Correction for chance agreement Partitions Clustering method Matching table Simple matching coefficient Similarity indices Resemblance measures 

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References

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  1. 1.Psychometrics and Research Methodology GroupLeiden University, Institute for Psychological Research, Leiden UniversityLeidenThe Netherlands

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