The index of an index is confusion
The puzzle of negative numbers
junkcharts
How effective visualization brings data alive
Bringing data alive
An overused chart, why it fails, and how to fix it
A chart with conceptual appeal but fails the data
Conventions, novelty and the double edge
This chart from Reuters is making the rounds on Twitter today.
Quickly,
A promising infographic about motorcycle helmets
The New York Times graphics team shows us how to do infographics
Some chart types are not scalable
Peter Cock sent this Venn diagram to me via twitter. (Original from