Logistical overview
As in the previous chapter, all exercises will be completed using a single R script called dplyr_intro.R
. This chapter will include two demonstrations. The first of these is a comparison of fuel economy and gas prices. The second demonstration is a rewrite of some of the work from Chapter 6 using the dplyr
library.
The finished product from this chapter, along with all of the exercises from this book, is available in the code folder of the external resources. All of the external resources in this book can be accessed from the Google Drive folder at the following link: https://goo.gl/8S58ra.
Data
For the demonstrations in this chapter three datasets will be used. The first of these is a dataset of fuel economy data for various vehicle models. The fuel economy dataset is made available by the U.S. Department of Energy. The fuel economy dataset has a large number of non descriptive data variables, so I've also included a link to the description of the data in the external resources...