How to lie with data visualizations, Part 2

This is a follow-up to my post from last month. In that Part 1, I wrote about how shifting the ranges for heat maps and starting bar charts at numbers greater than zero can deceive. In this installment, I want to introduce you to the greatest source of lies in data visualization: Cognitive biases of …

How to lie with data visualizations, Part 1

The last time our world experienced a virus of Covid-19 lethality, our public discourse was not that different than today’s. Of course I’m talking about the 1918 Spanish Flu. Even its name is a lie. It was called that in U.S. newspapers not because Spain was the origin of the virus but because Spain was …