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Challenges of making a reliable Covid-19 model

Fatalities from Covid-19 range from the hundreds of thousands to the millions. Nobody knows for sure. These predictions are based on statistical models, which are based on data, which aren’t consistent and reliable yet. FiveThirtyEight, whose bread and butter is models and forecasts, breaks down the challenges of making a model and why they haven’t provided any. Tags: coronavirus, FiveThirtyEight, modeling

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When the visual runs away from the data

The pressure of the coronavirus news cycle has gotten the better of some graphics designers. Via Twitter, Mark B sent me the following chart: I applied the self-sufficiency test to this pie chart. That's why you can't see the data which were also printed on the chart. The idea of self-sufficiency is to test how much work the visual elements of the graphic are doing to convey its message. Look...

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Evolution of Census questions

On the surface, the decennial census seems straightforward. Count everyone in the country and you’re done. But the way we’ve done that has changed over the decades. The Pudding and Alec Barrett of TWO-N looked at the changes through the lens of questions asked: We looked at every question on every census from 1790 to 2020. The questions—over 600 in total—tell us a lot about the country’s priorities, norms, and...

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Simulating an epidemic

3Blue1Brown goes into more of the math of SIR models — which drive many of the simulations you’ve seen so far — that assume people are susceptible, infectious, or recovered. Tags: 3Blue1Brown, coronavirus, epidemic, simulation

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The epidemic of simple comparisons

Another day, another Twitter user sent a sloppy chart featured on TV news. This CNN graphic comes from Hugo K. by way of Kevin T. And it's another opportunity to apply the self-sufficiency test. Like before, I removed the data printed on the graphic. In reading this chart, we like to know the number of U.S. reported cases of coronavirus relative to China, and Italy relative to the U.S. So,...

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Toilet Paper Calculator

Maybe you're starting to run low. Here's how much you'll need when you go to restock. Read More

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Coronavirus data at the state and county level, from The New York Times

Comprehensive national data on Covid-19 has been hard to come by through government agencies. The New York Times released their own dataset and will be updating regularly: The tracking effort grew from a handful of Times correspondents to a large team of journalists that includes experts in data and graphics, staff news assistants and freelance reporters, as well as journalism students from Northwestern University, the University of Missouri and the...

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Now pull

A comic by Marcos Balfagón attaches action to the curve. Tags: comic, coronavirus, curve

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✚ Visualization Tools and Resources, March 2020 Roundup – The Process 082

Every month I collect useful visualization tools and resources to help you work better or more efficiently. Here's the good stuff for March. Read More

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