pandas style groupby-apply in DataFusion via Ibis

This repo contains the code described in our blog post that demonstrates how to do pandas style groupby-apply aggregation (as opposed to accumulation) in DataFusion.

run

via pip

python3.10 -m venv venv
source venv/bin/activate
pip install git+https://github.com/letsql/xgboost-udaf-ibis
xgboost-udaf-ibis

via nix

nix run github:letsql/xgboost-udaf-ibis