In this part of the book, you’ll learn about various types of data the columns of a data frame can contain and how to transform them. The transformations you might want to apply to a column vary depending on the type of data you’re working with, for example if you have text strings you might want to extract or remove certain pieces while if you have numerical data, you might want to rescale them. You’ve already learned a little about data wrangling in the previous part. Now we’ll focus on new skills for specific types of data you will frequently encounter in practice.

This part of the book proceeds as follows: