Various assets for training. Sources/notes:
wholesale_customers source: https://archive.ics.uci.edu/ml/datasets/wholesale+customers
nycflights13 folder source: https://github.com/hadley/nycflights13
baseball folder source: http://www.seanlahman.com/baseball-archive/statistics
babynames folder source: https://www.rdocumentation.org/packages/babynames/versions/1.0.0.
housing source: https://rdrr.io/cran/Ecdat/man/Housing.html. I added a neighborhood field randomly using the categories from the Kaggle house prices dataset.
tips source: https://github.com/mwaskom/seaborn-data/blob/master/tips.csv
JOIN animations repurposed from Garrick Aden-Buie's tidyexplain repo.