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

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 ...

anova r bloggers test