11Manipulating Data with
dplyr1 (“dee-ply-er”) package is the preeminent tool for data wrangling in
R (and perhaps in data science more generally). It provides programmers with an intuitive vocabulary for executing data management and analysis tasks. Learning and using this package will make your data preparation and management process faster and easier to understand. This chapter introduces the philosophy behind the package and provides an overview of how to use the package to work with data frames using its expressive and efficient syntax.
11.1 A Grammar of Data Manipulation
Hadley Wickham, the original creator of the
dplyr package, fittingly refers to it as a Grammar of Data Manipulation. This ...