Part of ReproRehab 2022. Check out GitHub for the corresponding script (https://github.com/keithlohse/grad_stats) and check out my other videos for details about the theory and specific calculations. This video is meant to strictly be a fast introduction on "how to" conduct a basic test in R.
https://raw.githubusercontent.com/keithlohse/grad_stats/main/scripts/script_two_way_anova.R
Link to video of Sums of Squared Errors:
https://www.youtube.com/watch?v=Z2MRcI74AgU
Link to video on post-hoc testing strategies:
https://www.youtube.com/watch?v=Qr1hxsMIGck