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[Feature Request]: Kendall's coefficient of concordance (Kendall's W) #2151

Open iGrzegorz opened 1 year ago

iGrzegorz commented 1 year ago

Description

Kendall W (Kendall's coefficient of concordance)

Purpose

Kendall's Coefficient of Concordance, W, is a measure of the agreement between several judges who have rank ordered several entities. It represents the ratio of the variability of the total ranks for the ranked entities to the maximum possible variability of the total ranks; a small ratio implies disagreement between judges.

Use-case

Any research using judges that are assessing something, very useful in psychological research

Is your feature request related to a problem?

I had several judges to rate different items. Since calculating Kendall's Coefficient of Concordance was not possible in JASP, had to use SPSS instead.

Is your feature request related to a JASP module?

No response

Describe the solution you would like

Possibility of calculate Kendall's Coefficient of Concordance within JASP

Describe alternatives that you have considered

SPSS

Additional context

No response

EJWagenmakers commented 1 year ago

Julius this would be nice

TarandeepKang commented 1 month ago

Hi team, while we're on the subject could I request the (apparently better performing) F test to go alongside?

Kendall, M. G., & Smith, B. B. (1939). The Problem of $m$ Rankings. The Annals of Mathematical Statistics, 10(3), 275–287. https://doi.org/10.1214/aoms/1177732186

Marozzi, M. (2014). Testing for concordance between several criteria. Journal of Statistical Computation and Simulation, 84(9), 1843–1850. https://doi.org/10.1080/00949655.2013.766189