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.

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 ...

Illustrator is not only for creating vector graphics and images, you can also create graphs. The graphs in Illustrator can be used for presentations and infographics. You can make tweaks to the graphs ...