To cut or not to cut (the Y axis)

A collection of common dataviz caveats by

Cutting or not cutting the Y-axis is probably one of the most disputed topics in data visualization, as here, here and here. Basically, the idea is to decide whether the Y-axis should always start at zero or not. Let’s try to find out why this topic struggles to reach a consensus.

When it is bad

Let’s start with a barplot showing the issue