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Visualization and Visual Communication, digested for you and presented by Robert Kosara

Felix Auerbach, Die Graphische Darstellung (Graphical Representation, 1914)

This little book covers a large number of different ways of showing data. There are also some mathematical graphs, but the focus is on representations of data “from all areas of science and practice.” It’s a fascinating look into what was known in the early 1900s, and how people thought about graphical representations as tools.

Video Series: Counting In 2021 with Mechanical Calculators

Mechanical calculators are fascinating. I may have gone down a few rabbit holes on this topic earlier this year, and acquired a few. As a little celebration of the end of this year, and to start the new one, I’m creating a small series of videos about them and releasing one each week.

eagereyesTV: Chart Appreciation, What’s Really Warming the World

Line charts – they’re not the most glamorous. And yet, they can be used to tell a compelling story about global warming. In this video, I talk about what I consider a modern classic of data journalism, What’s Really Warming the World by Eric Roston and Blacki Migliozzi: how it works, how it’s structured, and why […]

All (Line) Charts are Wrong, But Some Are Useful

Line charts are one of the most common and useful charts out there. But why draw straight lines between the data points? They almost never represent what the data is actually doing, no matter if the data is single observations or aggregated over time. How do line charts actually work, and what do they imply […]

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