R in Action, Third Edition

19 Advanced graphs

This chapter covers

• Customizing ggplot2 graphs
• Adding annotations
• Combining multiple graphs into a single plot
• Creating interactive graphs

There are many ways to create a graph in R. We’ve focused on the use of ggplot2 because of its coherent grammar, flexibility, and comprehensiveness. The ggplot2 package was introduced in chapter 4, with coverage of geoms, scales, facets, and titles. In chapter 6, we created bar charts, pie charts, tree maps, histograms, kernel density plots, box and violin plots, and dot plots. Chapters 8 and 9 covered graphics for regression and ANOVA models. Chapter 11 discussed scatter plots, scatter plot matrices, bubble plots, line charts, corrgrams, and mosaic charts. Other chapters have covered ...