How to use pie function in R language to make pie chart

Today, I will talk to you about how to use the R language pie function to make a pie chart, many people may not know much about it. In order to make you understand better, the editor has summarized the following content for you. I hope you can get something according to this article.

Ggplot2 does not directly support the production of pie chart, it is still necessary to do a column chart and then transform the coordinate axis into a pie chart, which is more tedious. So in R to make a pie chart, first practice using the built-in pie chart function pie () to achieve.

Practical goal: try to make a pie chart with R's own pie function

Now I want to know the composition of different job categories jobcat, this task is suitable to use pie chart to show.

The pie () function, which we want to pass data and labels, is the most important, with arguments x and lables, respectively. Data x We can use the table function to calculate the frequency of each position.

Freq