Visualizing qualitative data—the non-numerical information collected through means of observations, interview, focus groups, surveys, and other methods—is undoubtedly a unique challenge. Results from interviews and focus groups can reveal many themes and sentiments, which makes summarizing the results difficult to…
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I’m excited to announce the launch of a new asynchronous data visualization course, The Art and Science of Data Visualization. To deliver this course—that includes more than five hours of content—I’ve teamed up with Skillwave Training, who offer hundreds of…
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I saw this really nice tile grid map with slope charts from Philip Bump in the Washington Post a few weeks ago. It shows changes in COVID-19 cases (per 1,000 residents) and deaths (per 100,000 residents) at three points during…
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Have you ever created an Excel chart where the labels stretch out to infinity or are incomplete so you can’t read them? I’ve got a couple of tricks for you, which I’ll lay out here and in this short video…
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There are a lot of things to like about this relatively simple bar chart from a New York Times story about reducing gun shootings in the United States: The use of the red color on the first and last bar…
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Gridlines are one of those elements of most data visualizations that many of us just accept. They are just part of the graph, not too big and not too bold, so just let them be. Personally, I prefer to forgo…
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I’m a big fan of Stripe Charts–lines or dots that show individual elements in your data, often used to show the distribution. I recently came across this very cool scrollytelling piece from Connor Rothschild on the use of paint colors…
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Learn how to use the “Value From Cells” option in Microsoft Excel.
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About three years ago, I created a Tile Grid Waffle Chart Map for the African continent. At the time, I played around with creating a version for the United States, but never got around to using it. Recent work gave…
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