6. Basic graphs

This chapter covers Bar, box, and dot plots Pie and fan charts Histograms and kernel density plots

Whenever we analyze data, the first thing that we should do is look at it. For each variable, what are the most common values? How much variability is present? Are there any unusual observations? R provides a wealth of functions for visualizing data. In this chapter, we’ll look at graphs that help you understand a single categorical or continuous variable. This topic includes