JavaScript Pie vs Bar Charts: Choose the Right Data Visualization Tool

The incumbent U.S. President prefers the information accompanied by maps, charts, graphs, and photos. The most often-heard criticism against circle graphs is that they can be difficult to interpret. The human brain has a hard time processing the slice size, so we need extra hints to see the differences in an optimal way. Some bar charts are composed of several columns sorted in groups, displaying the values of more than one measured variable. These are clustered bar charts that allow comparing multiple series inside the same category.