Effect Sizes for Linear Multilevel Models in R

Welcome to the Effect Sizes for Multilevel Models in R workshop!

Before beginning the seminar, please make sure you have R and RStudio installed.

Please also make sure to have the following R packages installed, and if not, run these commands in R (RStudio).

install.packages("r2mlm", dependencies=TRUE)

install.packages("lme4", dependencies=TRUE)

install.packages("dplyr", dependencies=TRUE)

Left-click the link to open the presentation directly.
- use arrow keys, mouse click, or spacebar to advance slides
- 'a' toggles between slide-show view and handout view (view all slides at once)
- 'k' to disable advancing slides with mouse-click (if you need to copy-paste code, for example)
- 's' and b to make the font bigger and smaller
- 'F11' to go to full-screen and back
To download with all images, open the presentation (by left-clicking), then right-click in the presentation, select “Save As”, and then make sure you save as type “Webpage, Complete” (Note: this will download the webpage and a folder of images and style files).
To save as a .pdf, right-click and select “Print”

Effect Sizes for Multilevel Models in R webpage (same content as slides but with more math and details)

Practice code file containing instructions for exercises. Right-click to download, or left-click and copy-and-paste into your RStudio editor.