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Manipulation basics [wrangle]

(Builds on: Data basics)
(Leads to: Data structure basics, Exploratory data analysis (1D), Other single table verbs, Scoped verbs, Parsing basics, Pipes, Transformation functions, Window functions)

Some basic data manipulation is essential for many visualisations. Here you’ll the learn the most important dplyr functions: filter(), mutate(), and group_by() + summarise().

Don’t try and memorise the details of every verb, and the vector functions that you might use with them. Instead, focus on the big picture, and make sure you’ve familiarised yourself with the cheatsheet so that you can get the details (with ?) when you need them.


Skip through this chapter of R4DS focussing on filter(), mutate() and group_by() + summarise().