R Tutorial: Friedman test

This video shows you how to run a Friedman test in R, produce an effect size, and do post hoc tests. There is also some advice on how to produce suitable graphs. Data and code used can be found here https://drive.google.com/drive/folders/1NkqfjdgoPpcLXFQGc6YXel5mdXL_9AJk?usp=sharing