Learn to use the basic dplyr verbs to filter rows, select columns and sort/arrange datasets in combination with the pipe %>% operator. Tidy your data with more complex transformations and apply various join operators.
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Outline
The summarise() Function
Exercise: The summarise() Function
Calculate Multiple Statistics with summarise()
Exercise: Calculate Multiple Statistics with summarise()
The mutate() Function
Exercise: The mutate() Function
Use group_by() with a Single Variable
Exercise: Use group_by() with a Single Variable
Use group_by() with Multiple Variables
Exercise: Use group_by() with Multiple Variables
The ungroup() Function
Exercise: The ungroup() Function