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 …
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 …
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 …
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 …
kappa with linear weights … weighted kappa may be interpreted as a weighted average of …
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 …
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 …
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 …
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 …
average of individual kappa coefficients obtained on \(2 \times 2\) tables constructed by …
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 …
implies that κ estimates with larger variances are weighted less in the calculation of Q. Under the …
Conditional inequalities between Cohen's kappa and weighted kappas
MJ Warrens - Statistical Methodology, 2013 - Elsevier
… in the literature that, when Cohen’s kappa and the two weighted kappas are applied to the
… of the quadratically weighted kappa is higher than the value of the linearly weighted kappa, …
… of the quadratically weighted kappa is higher than the value of the linearly weighted kappa, …
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