The PolicyViz Podcast

Julia Silge is a data scientist and software engineer at RStudio PBC where she works on open source modeling tools. She is an author, an international keynote speaker, and a real-world practitioner focusing on data analysis and machine learning. Julia loves text analysis, making beautiful charts, and communicating about technical topics with diverse audiences.x

Episode Notes

https://juliasilge.com/
https://www.tidymodels.org/
https://www.tmwr.org/
https://smltar.com/
https://vetiver.rstudio.com/

Related Episodes

Episode #207: Tom Mock
Episode #201: Leland Wilkinson
Episode #69: Hadley Wickham
Episode #212: Cedric Scherer

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With more than 200 guests and eight seasons of episodes, the PolicyViz Podcast is one of the longest-running data visualization podcasts around. You can support the show by downloading and listening, following the work of my guests, and sharing the show with your networks. I’m grateful to everyone who listens and supports the show, and now I’m offering new exciting ways for you to support the show financially. You can check out the special paid version of my newsletter, receive tex

Pieta Blakely, PhD helps mission-based organizations measure their impact so that they can do what they do well. She started her nonprofit career as a teacher in workforce development and adult basic education. It was important work and she was worried that they didn’t really know if they were doing it well. In the process of trying to answer that question, Pieta got a Masters in Education and a PhD in Social Policy, and became an evaluator.

Pieta has been an evaluator for over fifteen years, the past five of those as a consultant helping mission-based organizations use evaluation to build better and more effective programs. She believes that evaluation isn’t a test, it’s an ongoing process of trying things, measuring the results, and making adjustments. Her goal is to help build organizational cultures that thrive on joyful accountability and doing important work well.

Pieta is known for explaining complicated things clearly, an emphasis on ethics and justice in evaluation, an understanding of how not-for-profits work, and her unpredictable efforts in vegan and wheat-free baking.

You can read her blog at pietablakely.com or watch her live show, Coffee Time with Masterminds, where she talks about leading mission-based organizations through uncertain times.

Eli Holder is a dataviz designer, researcher, and founder of 3iap, a data visualization design firm. 3iap (3 is a pattern) specializes in psychologically effective information design, approachable analytics, and developing human-centered data products. If you’re a data designer, journalist, or analyst, Eli’s Equity-Oriented Dataviz Workshop can quickly teach your team how to visualize data on inequality, without reinforcing inequality. This covers not only his recent research, but also the underlying psychology and alternative design approaches to conventional (harmful) visualizations of racial outcome disparities.

Episode Notes

• Eli on Twitter
• Pieta on Twitter
• What can go wrong? Exploring racial equity dataviz and deficit thinking, with Pieta Blakely and Eli Holder
• Eli will present his paper (co-authored with Cindy Xiong) in October, at IEEE VIS 2022, but you can find a preview of the findings here: “Dispersion vs Disparity” Research Results: How masking uncertainty encourages stereotyping when visualizing social outcome disparities.
• Presenting data for a Targeted Universalist approach
• Pieta and Eli discuss data viz and equity: https://youtu.be/EcCRUXlgoOc

Cole Nussbaumer Knaflic tells stories with data. She is SWD CEO and author of the brand new book storytelling with you: plan, create, and deliver a stellar presentation and best-selling books storytelling with data: let’s practice! and storytelling with data: a data visualization guide for business professionals, which has been translated into a dozen languages, used as a textbook by more than 100 universities and serves as the course book for tens of thousands of SWD workshop participants. For more than a decade, Cole and her team have delivered interactive learning sessions sought after by data-minded individuals, companies, and philanthropic organizations all over the world. They also help people create graphs that make sense and weave them into compelling stories through the popular SWD community, blog, podcast and videos.

Episode Notes

Storytelling with Data
Storytelling with You

Books

Storytelling with You: Plan, Create, and Deliver a Stellar Presentation
Storytelling with Data: Let’s Practice!
Storytelling with Data: A Data Visualization Guide for Business Professionals

Better Presentations: A Guide for Scholars, Researchers, and Wonks

Related Episodes

Episode #24: Cole Nussbaumer Knaflic
Episode #141: Tapestry Roundup with Cole Nussbaumer Knaflic

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Michael Friendly is a Fellow of the American Statistical Association, a Professor of Psychology, founding Chair of the graduate program in Quantitative Methods at York University, and an Associate Coordinator with the Statistical Consulting Service. He received his doctorate in Psychology from Princeton University, specializing in Psychometrics and Cognitive Psychology.

In addition to his research interests in psychology, Professor Friendly has broad experience in data analysis, statistics, and computer applications. He is the author of Discrete Data Analysis with R: Visualization and Modeling Techniques four Categorical and Count Data. He is also the author of SAS for Statistical Graphics, 1st Edition and Visualizing Categorical Data, both published by SAS Institute, and an Associate Editor of the Journal of Computational and Graphical Statistics and Statistical Science His recent work includes the further development of graphical methods for categorical data and multivariate linear models, as well as work on the history of data visualization.

Howard Wainer is an independent statistician and author with experience in educational testing and data visualization. He received his PhD from Princeton University in 1968. He has taught at The University of Chicago, Princeton University and the Wharton School of the University of Pennsylvania. He was employed by the Educational Testing Service from 1980 until 2001 and was the Distinguished Research Scientist at the National Board of Medical Examiners from 2001 until 2016. He is a fellow of the American Statistical Association and American Educational Research Association.

Episode Notes

Michael Friendly and Howard Wainer, A History of Data Visualization & Graphic Communication

Michael Friendly GitHub | https://friendly.github.io/HistDataVis/

Milestones Project: https://datavis.ca/milestones/

Michael Friendly Site | https://www.datavis.ca/

John W. Tukey, Exploratory Data Analysis

Sandra Rendgen, The Minard System: The Complete Graphics of Charles-Joseph Minard

Brit Rusert, Silas Munro, W. E. B. Du Bois’s Data Portraits: Visualizing Black America

Leland Wilkinson, The Grammar of Graphics

Isabel Wilkerson, The Warmth of Other Suns: The Epic Story of America’s Great Migration

Nicole Lachenmeier and Darjan Hil’s new book, Visualizing Complexity: Modular Information Design Handbook, focuses on deconstructing data encodings into fundamental elements to create effective visualizations. They take an exciting and hands-on approach to data visualization design for their own work and how they teach design to others. In this week’s episode of the podcast, our conversation highlights Nicole and Darjan’s journey in data design and how they stress the importance of deliberate thinking, manual effort, and critical analysis in their design process.

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