The second part of the book was a deep dive into data visualization. In this part of the book, you’ll learn about the most important types of variables that you’ll encounter inside a data frame and learn the tools you can use to work with them.

Our data science model, with transform highlighted in blue.
Figure 1: The options for data transformation depends heavily on the type of data involved, the subject of this part of the book.

You can read these chapters as you need them; they’re designed to be largely standalone so that they can be read out of order.