Many graph experts disagree with Darryl Huff’s argument that the scales of all graphs must begin at zero. I discuss why the rule for bar graphs may differ from that for line graphs.

This line graph shows the electricity production in the UK each quarter. A false origin has been used on the vertical scale, allowing it to start at a different value. The scale is going up in ...

Graphs that are not drawn to scale mislead the reader. This post shows another example of a graph where the visual representation of the numbers is not proportional to the numbers themselves.