Data visualization: beautiful Paris?

When I saw Paris for the first time I was like, meh. Not Paris’ fault. This was the second leg of a trip that started in Prague, and I was still in a process of digesting the city’s overwhelming beauty. After a couple of days, I was able to enjoy Paris, not in full, but … Read more

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

Two datavis places I don’t belong to

I’m an introvert, so it’s very easy for me to also be an uncompromising Marxist (the Groucho flavor), specially when it comes to club membership (I don’t care to belong to any club that will have me as a member) but things changed since I discovered data visualization. I love it and love this loose … 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

Memorable Charts? Forget About It!

This too much discussed paper “found that people’s accuracy in describing the embellished charts was no worse than for plain charts, and that their recall after a two-to-three week gap was significantly better. In addition, participants preferred the embellished charts“. OK, let’s take a deep breath. Apparently, all things being equal, you should use a … Read more

No, Tufte’s Charts Are not Plain and Simple

A new data visualization research paper finds that chart junk does not harm accuracy and actually improves recall. The paper is an interesting read but, unfortunately, not for the right reasons. I’ll discuss the paper in an upcoming post. Today I just want to comment a sentence from the introduction: “This minimalist [fusion_builder_container hundred_percent=”yes” overflow=”visible”][fusion_builder_row][fusion_builder_column … Read more