YouTube Videos

Videos about various aspects of data visualization, noteworthy charts and graphical news pieces (“chart appreciations”), what data even is, etc.

  • New video: Gauges for Data Visualization, The NY Times Election Needle, and Circular Bar Charts

    New video: Gauges for Data Visualization, The NY Times Election Needle, and Circular Bar Charts

    Gauges aren’t very popular in visualization, but they have some interesting properties. There is, of course, the infamous NY Times “election needle,” but you’re probably using gauges every day without giving them too much thought. There’s also an interesting connection with circular bar charts, which I think can work well when used as part-to-whole charts. […]


  • New Video: The Science of Pie Charts

    New Video: The Science of Pie Charts

    The common explanation for how pie charts work is that we read them by angle. That of course would mean that donut charts would be bad, because you can’t see the angle when you take away the center of the pie. Changing the radius of a slice wouldn’t matter though, because that doesn’t change the […]


  • New video: Chart Appreciation, Iraq’s Bloody Toll by Simon Scarr

    New video: Chart Appreciation, Iraq’s Bloody Toll by Simon Scarr

    How do you make people not just see numbers when looking at a chart, but feel something? This chart of the number of deaths during the Iraq war has always given me a visceral response like no other, and it’s still as powerful as when it was made almost ten years ago. So I made […]