Nothing really tells a story about your data as powerfully as good plots. Graphics capture your data much better than summary statistics and often show you features that you would not be able to glean from summaries alone.
R has very powerful tools for visualizing data. Unfortunately, it also has more tools than you’ll really know what to do with. There are several different frameworks for visualizing data, and they are usually not particularly compatible, so you cannot easily combine the various approaches.
In this chapter, we look at graphics in R. We cannot possibly cover all the plotting functionality, ...