Unless you’re a data scientist or have another job that commonly uses data visualization, selecting the right way to represent information can feel overwhelming. Software like Excel can stuff any type ...

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.

To display a record of information in a graphical interface, pie charts, bar diagrams, and other such chart diagrams are the best ways to present or communicate information visually. If you don’t have ...

What an outstanding group of readers I have! Both the quality and the quantity of entries to the Graph Makeover Contest were amazing. There were 29 entries to the first part of the contest which ...