Matthijs J. Warrens
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The coefficient of determination R-squared is more informative than SMAPE, MAE, MAPE, MSE and RMSE in regression analysis evaluation
D Chicco, MJ Warrens, G Jurman
Peerj computer science 7, e623, 2021
Inequalities between multi-rater kappas
MJ Warrens
Advances in data analysis and classification 4, 271-286, 2010
The Matthews correlation coefficient (MCC) is more informative than Cohen’s Kappa and Brier score in binary classification assessment
D Chicco, MJ Warrens, G Jurman
Ieee Access 9, 78368-78381, 2021
Five ways to look at Cohen's kappa
MJ Warrens
Journal of Psychology & Psychotherapy 5, 2015
On the equivalence of Cohen’s kappa and the Hubert-Arabie adjusted Rand index
MJ Warrens
Journal of classification 25, 177-183, 2008
On association coefficients for 2×2 tables and properties that do not depend on the marginal distributions
MJ Warrens
Psychometrika 73 (4), 777-789, 2008
An empirical analysis of alleged misunderstandings of coefficient alpha
R Hoekstra, J Vugteveen, MJ Warrens, PM Kruyen
International Journal of Social Research Methodology 22 (4), 351-364, 2019
On similarity coefficients for 2×2 tables and correction for chance
MJ Warrens
Psychometrika 73 (3), 487-502, 2008
Kappa coefficients for missing data
A De Raadt, MJ Warrens, RJ Bosker, HAL Kiers
Educational and psychological measurement 79 (3), 558-576, 2019
Similarity coefficients for binary data: properties of coefficients, coefficient matrices, multi-way metrics and multivariate coefficients
MJ Warrens
Psychometrics and Research Methodology Group, Leiden University Institute …, 2008
A formal proof of a paradox associated with Cohen’s kappa
MJ Warrens
Journal of Classification 27, 322-332, 2010
Declining trends in student performance in lower secondary education
LA Wijsman, MJ Warrens, N Saab, JH Van Driel, PM Westenberg
European Journal of Psychology of Education 31, 595-612, 2016
Some relationships between Cronbach’s alpha and the Spearman-Brown formula
MJ Warrens
Journal of Classification 32, 127-137, 2015
Priming and binding in and across perception and action: A correlational analysis of the internal structure of event files
LS Colzato, MJ Warrens, B Hommel
Quarterly Journal of Experimental Psychology 59 (10), 1785-1804, 2006
A comparison of reliability coefficients for ordinal rating scales
A de Raadt, MJ Warrens, RJ Bosker, HAL Kiers
Journal of Classification, 1-25, 2021
Cohen’s kappa is a weighted average
MJ Warrens
Statistical Methodology 8 (6), 473-484, 2011
Conditional inequalities between Cohen’s kappa and weighted kappas
MJ Warrens
Statistical Methodology 10 (1), 14-22, 2013
Inequalities between kappa and kappa-like statistics for k×k tables
MJ Warrens
Psychometrika 75 (1), 176-185, 2010
Predicting quality of life and self‐management from dyadic support and overprotection after myocardial infarction
K Joekes, S Maes, MJ Warrens
British journal of health psychology 12 (4), 473-489, 2007
Some paradoxical results for the quadratically weighted kappa
MJ Warrens
Psychometrika 77, 315-323, 2012
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