Cohen's kappa is a weighted average

MJ Warrens - Statistical Methodology, 2011 - Elsevier
… n × n table is a weighted average of the individual … “average” value is much broader than
a weighted average of 2×2 kappas. It turns out that the overall κ -value is a weighted average of …

New interpretations of Cohen's kappa

MJ Warrens - Journal of Mathematics, 2014 - Wiley Online Library
… the weighted averaging function and study some of its properties. As an application of this
function it is shown that Cohen’s kappa is an average of Bloch-Kraemer weighted kappas. A …

Cohen's linearly weighted kappa is a weighted average

MJ Warrens - Advances in Data Analysis and Classification, 2012 - Springer
… ‘weighted average’ property of Cohen’s unweighted kappa for nominal categories to Cohen’s
linearly weighted kappa for … kappa-value of the original table is a weighted average of the …

Cohen's linearly weighted kappa is a weighted average of 2× 2 kappas

MJ Warrens - Psychometrika, 2011 - Springer
… an interpretation for the weighted kappa coefficient with linear … the components of the weighted
kappa with linear weights … weighted kappa may be interpreted as a weighted average of …

[HTML][HTML] Cohen's weighted kappa with additive weights

MJ Warrens - Advances in Data Analysis and Classification, 2013 - Springer
… 3 we show that weighted kappa with additive weights is a weighted average of the \(n-1\) …
4 we show that this weighted kappa is the only weighted kappa that is a weighted average of …

Comparison of classification accuracy using Cohen's Weighted Kappa

A Ben-David - Expert Systems with Applications, 2008 - Elsevier
… using Cohen’s Kappa statistic. For those many cost-sensitive classification applications,
where the true error-cost can only be roughly estimated, Weighted Cohens’ Kappa and …

A note on the interpretation of weighted kappa and its relations to other rater agreement statistics for metric scales

C Schuster - Educational and psychological measurement, 2004 - journals.sagepub.com
weighted kappa in terms of rater means, rater variances, and the rater covariance that is
particularly helpful in emphasizing that weighted kappa … the value of weighted kappa relative to …

A new interpretation of the weighted kappa coefficients

S Vanbelle - Psychometrika, 2016 - Springer
… Similarly to Cohen’s kappa coefficient, the linear-weighted kappa coefficient is a weighted
average of individual kappa coefficients obtained on \(2 \times 2\) tables constructed by …

[HTML][HTML] Meta-analysis of Cohen's kappa

S Sun - Health Services and Outcomes Research Methodology, 2011 - Springer
… Again, the weight w i is equal to the reciprocal of variance of κ i . This homogeneity test
implies that κ estimates with larger variances are weighted less in the calculation of Q. Under the …

Weighted specific-category kappa measure of interobserver agreement

TO Kvålseth - Psychological reports, 2003 - journals.sagepub.com
… We propose a Kappa-based weighted measure (K,,) of agreement on some specific category
s, with K, being a weighted average of all K,$. Therefore, while Cohen's K, is a summary …