Reliability Coefficients

Point estimates with confidence intervals for Bennett et als S, Cohen's kappa, Conger's kappa, Fleiss' kappa, Gwet's AC, intraclass correlation coefficients, Krippendorff's alpha, Scott's pi, the standard error of measurement, and weighted kappa.


Changes in version 1.3.1

o sem based on standard deviation fixed so that it is computed from variance instead of standard deviation. Option to compute sem from the square root of the ANOVA error variance and the consecutive pairwise difference added.

o Plot layout reset to default after use.

Changes in version 1.3.0

o icc and sem added.

o Plot function added for rel objects.
o Ratio weight added to gAC.

o Functions renamed (sorry).

Changes in version 1.2.0

o Numeric data matrices no longer required.

o Incomplete cases omitted listwise for bS, cKap, gAC, and sPi.
o In case of more than two raters, cKap and sPi now generalises to Conger's kappa and Fleiss' kappa, respectively. 

o cKap standard error now derived via Fleiss et als., formula from 1969 by default.
o Maximum possible kappa (kmax) and proportion of kappa/kmax added to cKap.

Changes in version 1.1.0

o krA point estimate defined as zero when observed disagreement equals expected disagreement.

o Default number of bootstrap replicates for krA set to zero.

o Functions renamed.

Reference manual

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1.4.2 by Riccardo LoMartire, 7 months ago

Browse source code at

Authors: Riccardo LoMartire

Documentation:   PDF Manual  

Task views: Natural Language Processing

GPL-3 license

Depends on graphics, grDevices, stats, utils

See at CRAN