pizza mistaken for a pie chart

On alternative pizzas, pie charts and datavis pedantry

So our usually calm data visualization corner on Twitter was shaken by this tweet: Forget pepperoni – mushroom is Britain's most liked pizza topping (65%), followed by onion (62%) and then ham (61%) https://t.co/5kYikXOEtF pic.twitter.com/AJezMfJHbk — YouGov (@YouGov) March 6, 2017 quickly followed by this one: We're very sorry for the confusion, but this is … Read more

Eurostat, or the art of factoid growing

It saddens me to know that 23-year old Belgium girls are incapable of abstract reasoning, something that everyone in other parts of the world take for granted by the age of 12. That’s why we should praise Eurostat for its dumb-down, infographic-oriented approach to data dissemination. If you don’t know what I’m talking about, you … Read more

Bars and lines: méfiez-vous des morceaux choisis

So, this data visualization thing is new to you, but you already know enough to avoid basic mistakes (pies, 3D…). While playing with the data, you make these two charts: You already know that a bar chart helps you to compare data points, while a line chart is better at displaying trends, right? But you keep … Read more

The data visualization – data art continuum

Data visualization is becoming a catch-all concept with little analytic usefulness. The infographic plague we have to endure is not helping. It doesn’t have to be that way. Stephen Few wrote recently about the distinction between data visualization (“the goal that data be visualized in a way that leads to understanding”) and data art (“visualizations … Read more