Microsoft's Excel spreadsheet program includes a Chart Wizard for making a variety of graphs from tabulated data. In some situations, as with scientific experiments, the data in one or both axes of ...

Microsoft Excel can present two series of data points together on the horizontal axis, but if the number scale for each series dramatically differs, the data will not be readable. Using a two-sided ...

There are two main reasons to use logarithmic scales in charts and graphs. The first is to respond to skewness towards large values; i.e., cases in which one or a few points are much larger than the ...

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 ...

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 ...