Ggplot2 Pie Chart From Table. The pie function takes a Frequency table as input. When we have two different variables and need a matrix with all combinations of these two variables we use this method.
Df - asdataframe table mpgclass. Below I will show an example of the usage of a popular R visualization package ggplot2. In the mentioned pie chart the arc length of each slice is proportional to the quantity it represents.
Loading the bookingscsv file into R.
Ggplot2 - Pie Charts. When we have two different variables and need a matrix with all combinations of these two variables we use this method. Pie charts are the classic choice for showing proportions for mutually-exclusive categories. The final chart creating using ggplot2 appears above.
