It's 3.14 -- Happy Pi(e) Day!

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Here are some beginner, intermediate, and advanced resources to celebrate.

Beginner

Here are Guidelines for Using Pies and Donuts.

The major takeaway: Pies are only for 2-slice binary situations.

Intermediate

In Stop Making Making People Read Across Multiple Pies, you'll see examples of stacked column charts, slope charts, and dot plots with arrows.

Advanced

In Let's Revamp a Page of Pie Charts, you'll see ideas for transforming small multiples pies into stacked bars, regular bars, and area charts... and then making them dynamic!


DataViz News & Upcoming Events

  • May 3-5: The Eastern Evaluation Research Society's annual conference takes place in Seaview, New Jersey. Years ago, I worked part-time to help organize this conference. It's such a special group of people.
  • May 5-7: Tableau's annual conference takes place in San Diego, California.
  • May 19-20: As a keynote speaker for the Global Excel Summit in London, I get one free guest pass to the event. What are you doing May 19-20 in London?? Want the guest pass?? Reply and let me know. So far, about a dozen people are interested, so we'll create a raffle or giveaway of some sort.
  • June 24-25: The Data Visualization Society's Outlier conference takes place online.
  • November 4-6: The Visualising Climate Conference in Italy.

P.S....

This is the last day to take advantage of the early bird bonuses for Powerful Presentations.

Count down to 2026-03-15T03:45:00.000Z

Last chance for...

  • Lifetime access to lessons and materials.
  • Live Office Hours throughout 2026.
  • Swag Bags with t-shirts, stickers, and pins.
  • Two 45-minute 1:1 consultations after you finish 25% and 50% of the lessons (so you can bring more advanced and sophisticated questions to our meetings).
  • Course Creation, a half-day course about designing, recording, and marketing your own online course.
  • Make Slide Templates, a half-day course about using the Slide Master to create branded, accessible PowerPoint templates for your company.

Meet Ann K. Emery

A trusted data visualization leader for more than 10 years. On-site workshops for 25,000 researchers, evaluators, and scientists in 31 states and 11 countries. Online courses for 10,000 participants. 200 consulting clients. 5 kids. My first HYROX in Miami is this weekend! Yikes!!

Based in Orlando, travel everywhere for dataviz.

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