If you have a minute, you might want to go ahead and install the following packages:
did, devtools::install_github("bcallaway11/did")bacondecomp, devtools::install_github("evanjflack/bacondecomp")HonestDID, devtools::install_github("asheshrambachan/HonestDID")fixestggplot2dplyrtidyrTopic 1: Introduction to DID
Topic 2: DID with multiple periods and variation in treatment timing, [Code]
Topic 3: Pre-Testing and Event Studies, [Code]
Topic 4: Conditional Parallel Trends and Other Extensions, [Code]