The most challenging thing when you arrive at a donut shop? Choosing among the array of sweets. With so many different types ...

This example produces a donut chart that is similar to the pie chart in Specifying the Sum Statistic for a Pie Chart in that each slice represents total sales for a site and each slice is a different ...

Other than making you feel hungry, pie and doughnut charts represent each part of your data as a proportion of the whole. Using this type of chart makes it easier to estimate percentages.