A staggering number of really bad graphs are drawn daily. Some are the fault of the designers but often the software used to produce the graph is to blame. Use the comment area or email me at naomi at ...

Terri Oda is a mathematician who now works in computer science. She is also female. Weird, right? When people told her women were biologically unsuited to math, she used to draw a graph for them on ...

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 ...