Tableau: Creating Interactive Data Visualizations

Creating pie charts

Pie charts and their variations are one of the most controversial types of charts. Many experts in the information graphics and information visualization fields have warned against the use of pie charts but they are still quite common in business presentations as well as reports. There are a few key things to consider while creating such a graphic:

1. Limit the number of slices to three to four. In addition, slices must be large enough for easy differentiation.
2. Limit the use of color (if there are only three to four slices to show, it is easy to use one color with different hues). Colors are better used only for differentiating one item from another and not for decorating. If many colors are used, the reader faces the difficulty ...