1.4 Graphical integrity


Why this National Review global temperature graph is so misleading

In a bar chart the y-axis should always start from zero.

The Principle of Proportional Ink


The representation of numbers, as physically measured on the surface of the graphic itself (i.e., the amount of ink used),

should be directly proportional to the numerical quantities represented.

Is slice A bigger than, equal to, or smaller than slice C?


Friends don’t let friends make 3D pie charts.