Capture relationships between data sets by graphing linear equations in Microsoft Excel 2007. Linear equations allow you to predict values within your data set and view the overall trend. Use ...

Excel is probably Microsoft’s most popular developer tool. With a built-in functional programming language that now supports lambdas and variables, Excel has become a tool that people build businesses ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Excel allows you to add charts to enable others to visualize the data you're presenting. Because there are a variety of charts available, such as line and bar, determine the best chart style to suit ...

Learn how to create stacked and clustered bar charts in Excel with updated tips and step-by-step instructions for clear data visualization. #ExcelTips #BarCharts #DataVisualization ...

Two weeks ago I announced a bad graph contest to try to encourage software vendors to improve their offerings. Readers nominated a number of bad graphs for the contest. This post discusses some of the ...

In addition to launching a hub for the Olympics, Google Trends has released new tools for viewing and exporting search data. Last week, Google Trends announced a refresh to its site, in addition to ...