February 2023

Update course for the iteration February 2023.
Main change is use of .by instead of group_by() related to update to dplyr 1.1.

December 2022

december_2022

Update course for December 2022 session

September 2022

september_2022

Update README

November 2021

Minor update; the main change was to switch from magrittr pipes (%>%) to native pipes (|>).

March 2020

march_2020

Small fixes and remove info about proxy since no longer existing

February 2019

This is the version of the course I gave in February 2019.
The version has been slightly modified after the course to improve a few things I did not like.