There's an easy way to create stacked bar charts in Excel. The real challenge is organizing data to make sure everything shows up as effectively as possible. This guide shows when to use stacked bar ...

You can make your presentation more attractive with a vector donut graph. Let us see how to make a 3D Donut Pie Chart in Illustrator. The New document options window will appear. Here you can choose ...

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Edgar writes evergreen articles for Android Police, which includes lists and guides to your favorite Android games and apps. After getting a degree in programming for Android OS, Edgar realized that ...

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.