I love data visualizations as much as the next person, but can we agree that we might be overdoing it on stacked bar charts? I’m not opposed to this type of data display. There are several situations ...

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., ...

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.