Material was assembled from:
- ROOT Training courses: https://github.com/root-project/training
- Jim Pivarski (@jpivarski) Fermilab Carpentries training: https://github.com/jpivarski/2019-04-01-fermilab-carpentries
- Stefan Wunsch (@stwutsch) ATLAS training: https://github.com/stwunsch/root_dataframe_tutorial and https://github.com/stwunsch/root-dataframe-basic