On alternative pizzas, pie charts and datavis pedantry

pizza mistaken for a pie chart

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

Etiquette for scientists

You are a brilliant scientist and you just made an amazing discovery. You want to announce it to the world. So you prepare a few slides and decide to use that cute font, Comic Sans. After the presentation you realize that, although people praise you for your discovery, a very vocal minority mocks you for … Read more

Get off my shoulders, said the giant

Dear Stephen Few I’m writing this assuming that my book Data at Work was one of the targets of your post “Data Visualization Lite”. If that is the case, thank you for spending some of your time reading the book. When I started my humble blog, never in my wildest dreams I though that would … Read more

The cave

Michiel Coxcie: De grot van Plato

Stephen Few and Alberto Cairo (Alberto is the host, that’s why he doesn’t say much) And now let me show in a figure how far our nature is enlightened or unenlightened: –Behold! human beings living in a meeting room, which has a projector with a Powerpoint presentation always turned on; here they have been from … Read more

Excel vs. Tableau vs. PowerBI

Fna Charts US Age Structure

If you are an Excel user, are you aware of how flexible it is? Do you really take advantage of this flexibility when making charts? You can simply enter a few values and some (almost) random cells and visualize them. You can add empty rows or use dummy variables. When it comes to formatting, you … Read more