Kruskal-Wallis and Power Analysis in R: Analysing Flight Delays
Comparing groups using the Kruskal-Wallis test
5 min readJun 23, 2023
The Kruskal-Wallis test is a non-parametric test that tests the null hypothesis that k sampled number of groups possess the same distribution function.
The test is performed by means of a ranking mechanism, whereby the observations across the samples are…