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Add join objective #114

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7 changes: 5 additions & 2 deletions episodes/30-dplyr.Rmd
Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,11 @@ exercises: 75
::::::::::::::::::::::::::::::::::::::: objectives

- Describe the purpose of the **`dplyr`** and **`tidyr`** packages.
- Describe several of their functions that are extremely useful to manipulate data.
- Describe the concept of a wide and a long table format, and see how to reshape a data frame from one format to the other one.
- Describe several of their functions that are extremely useful to
manipulate data.
- Describe the concept of a wide and a long table format, and see
how to reshape a data frame from one format to the other one.
- Demonstrate how to join tables.

::::::::::::::::::::::::::::::::::::::::::::::::::

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