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.

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. Jul 31, 2012, 09:32am EDT Jul 31, 2012, 10:18am EDT This article is more than ...

Excel’s chart features can turn your spreadsheet data into compelling visual communications—if you know what to do. This guide will walk you through the basics of setting up trends, percentages, ...

To ensure charts and graphs are compliant with ADA standards, please use alt text to describe the nature or content of the data shown. If a chart is too complex to explain properly through alt text ...

Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...

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 ...

The Change Chart Type utility in Microsoft Excel features several graphs from which you can select to convert your current Excel chart into a graph. Choosing a new graph type from the utility ...

Stock charts help traders measure the movement and momentum of a stock's up and down trading patterns. Reading stock charts can give you key insights into a company's perceived value. Key components ...

This post will show you how to change the default chart color in Word, Excel, and PowerPoint. You can also change the default color of graphs, charts, lines, or anything else with the help of this ...