All teaching materials are available here and contain notes, slides, and illustrative sample code primarily of interest to researchers working in economics. I hope to add more modules in the future while improving and expanding existing ones.
All errors are my own. If you find any errors or have a comment or suggestion, please contact me at arap15@upenn.edu. The license for all teaching material I have authored can be found here: CC BY-NC-SA 4.0.