The livebook implements what it's described in this post by @seanmor5 published on @dockyard blog https://dockyard.com/blog/2023/07/18/introducing-exgboost-gradient-boosting-in-elixir, plus some more data analysis at the end.
nickgnd/exgboost-intro-livebook
The livebook implementation of "Introducing EXGBoost: Gradient Boosting in Elixir" blog post