Kruskal-Wallis test, or the nonparametric version of the ANOVA

1 · Antoine Soetewey · March 24, 2022, 2:09 p.m.
Introduction Data Kruskal-Wallis test Aim and hypotheses Assumptions In R Interpretations Post-hoc tests Dunn test Pairwise Wilcoxon test Combination of statistical results and plot Summary References Introduction In a previous article, we showed how to do an ANOVA in R to compare three or more groups. Remember that, as for many statistical tests, the one-way ANOVA requires that some assumptions are satisfied in order to be able to use and interpret the results....