There are dozens of chart types for visualizing data, yet analysts come back to bar charts, time and time again. Simply put, bar charts are really good at what they do: they’re quick to create, show ...

This post recommends using Trellis plots instead of 3D bar charts for three-dimensional (three variable) data. In Winner of the Bad Graph Contest Announced, I promised to present alternatives to Excel ...

Emily Long is a freelance writer based in Salt Lake City. After graduating from Duke University, she spent several years reporting on the federal workforce for Government Executive, a publication of ...