Chapter 3: Introduction to dplyr

Learn how to manipulate data into a ggplot2 friendly format

1Introduction to dplyr

2A Little Bit about assignment

3Let's look at some data and ways to manipulate it.

4dplyr::filter()

5Comparison operators and chaining comparisons

6Quick Quiz about Chaining Comparisons

7The %in% operator

8Removing Missing Values

9dplyr::mutate()

10You can use mutated variables right away!

11Another Use for `mutate()`

12The difference between `filter()` and `mutate()`

13The Pipe Operator: %>%

14group_by()/summarize()

15Counting Stuff

16arrange()

17select()

18Chester Ismay's Mantra

19Challenge 1: Putting it all together

20Challenge 2: Show your stuff

21Challenge 3: Putting together what we know about ggplot2 and dplyr

22What you learned in this chapter