Software packages for charting data often offer menus; i.e., lists of charts that are available. Excel offers a menu; Tableau has Show Me! Elementary statistics and graphing books offer recipes; i.e., ...
Apple’s Numbers spreadsheet app offers a wide variety of charts to help interpret the data in its tables (as does its Pages word processor). But when you want to turn numbers into pictures, you need ...
A data set that occurs frequently consists of the values or the percentage breakdown of several categories for two time periods. A common way of plotting these data is to use a pair of pie charts.