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

10 reasons why you should take Excel dashboards seriously

This post on how to make Excel dashboards was one of the first I published here, and it still is one of the most popular posts. But I actually prefer broader data visualization discussions than Excel tips & tricks. Excel dashboards, although something that interests me, was never a priority. Until now. I just launched an ebook on Effective … Read more

Suddenly, the colorful lollipop turns into a dangerous match

It surprised me. And it shouldn’t. You see, there is nothing wrong in using data for the sole purpose of creating aesthetically pleasing visual objects. On the other hand, if you want to make sense of the data, and communicate your findings, it’s easy to argue that effectiveness should be your primary goal. This is the general model. … Read more