Chapter 4. The Pie Chart and Its Alternatives
In this chapter, we will cover the following recipes:
- Generating a simple pie chart
- Constructing pie charts with labels
- Creating donut plots and interactive plots
- Generating a slope chart
- Constructing a fan plot
Introduction
Pie charts, as mediums of data representation, have been widely used in news media, corporate presentations, and research papers. Pie charts have been used in the past to compare data between two time periods as well as to represent parts of a whole in a single pie. However, even with such widespread use, they have been criticized by statisticians. The blog post at http://www.r-chart.com/2010/07/pie-charts-in-ggplot2.html summarizes the main criticism as follows:
- The relative size of each ...
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