Chicago’s Department of Public Health used the R language to build and deploy the model, and made the code available as an open source project on GitHub. The reasons given are twofold:
An open source approach helps build a foundation for other models attempting to forecast violations at food establishments. The analytic code is written in R, an open source, widely-known programming language for statisticians. There is no need for expensive software licenses to view and run this code.
Read on for more details and check out their GitHub repo.