Data + Science

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11/28/2018
Chart Chat Live – Volume 1


Thank you to everyone that joined our first Chart Chat live webinar.

If you were not able to join us for our first episode of Chart Chat, then check out the video on YouTube. You can also download Steve’s slides here and download Jeff’s slides here.

Recap

After brief introductions, Steve discussed color and the use of BANs. Steve discussed “Lonely Numbers” as discussed in the new book, Factfulness: Ten Reasons We’re Wrong About the World–and Why Things Are Better Than You Think by Hans Rosling.


Figure 1 — Factfulness by Hans Rosling.

He enjoyed the book so much, he’s read it twice!

Steve also added BANs to the Churn dashboard from Chapter 24. This updated dashboard is available for download here.

Jeff discussed some examples of “Comparing Individual Performance with Peers” from Chapter 3 of The Big Book of Dashboards. This dashboard is also available for download here.

Steve discussed “visualization we shouldn’t like, but do” and showed Jeff’s Name Dropping visualization and his redesign with the “fun removed”.

Steve also showed a beautifully-designed health care visualization by Katie McCurdy from Pictal Health.

Figure 2 — Patient history dashboard by Katie McCurdy.

Jeff closed the webinar with a discussion about “The Screaming Cat” and discussed various blog posts related to radar charts, dual-metric donut charts, and the various responses from within the data visualization community.

Use radar charts to compare dimensions over several metrics by Jonathan Trajkovic
Dual-Metric Donut Chart Tutorial by Toan Hoang
Radial Bar Chart Tutorial by Toan Hoang

Jeff discussed how these tutorials can be useful in real-world cases, even though they may not be best practices in other cases.

The highlight of this section was Jeff telling the story of the famous Florence Nightingale Rose Chart, how it was tremendously effective in delivering a very important message at the time. Jeff also took on the daunting task of redesigning this very famous visualization.

Note from Steve: Jeff’s redesign is terrific.

Additional References

Better than Jitter Plot by Steve Wexler
In the pursuit of diversity in data visualization. Jittering data to access details by Danieal Zvinca
Speaking of Graphics (2006), An Essay on Graphicacy in Science, Technology and Business by Paul J. Lewi, Chapter 5, Florence Nightingale and Polar Area Diagrams
Florence Nightingale’s Hockey Stick, The Real Message of her Rose Diagram, by Hugh Small

Next Installment

Be sure to register here for the next installment of Chart Chat on January 8th, 2019 at 11am (EST).

We hope you find this information useful.

Jeff and Steve

Follow Jeff on Twitter @HighVizAbility
Follow Steve on Twitter @VizBizWiz

BigBookofDashboards.com



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