../ case-study-popularity.mkv 02-Jun-2022 21:20 60267965 case-study-popularity.mp4 02-Jun-2022 21:20 60985219 tidy-example.mkv 02-Jun-2022 21:20 31431181 tidy-example.mp4 02-Jun-2022 21:20 31970745 tidyr-pivot.mkv 02-Jun-2022 21:20 25516344 tidyr-pivot.mp4 02-Jun-2022 21:20 26008422 week4.mkv 02-Jun-2022 21:21 124188097 week4.mp4 02-Jun-2022 21:21 125185379