3 dplyr Koans: Core Practice Set

Today, you’ll do a second set of koans, introducing the 7 main dplyr verbs: filter, select, mutate, summarize, group_by, arrange, and slice.

Download this assignment

Go here: https://github.com/cobriant/tidyverse-koans-part2

Click on the green button that says Code and then hit Download ZIP.

Find the file (probably in your downloads folder). On Macs, opening the file will unzip it. On Windows, you’ll right-click and hit “extract”. Then navigate to the new folder named tidyverse_koans-part2-main and double click on the R project tidyversekoans.Rproj. RStudio should open. If it doesn’t, open RStudio and go to File > Open Project and then find tidyversekoans.Rproj.

In RStudio, go to the lower right hand panel and hit the folder R. This takes you to a set of 3 koans you’ll complete in class today. Submit the 3 html files to Canvas (one copy per group) to the assignment “CW #2: Dplyr Koans”.