135 posts
Bloomberg made me digest these graphics slowly

Ask the experts to name the success metric of good data visualization, and you will receive a dozen answers. The field doesn't have an all-encompassing metric. A useful reference is Andrew Gelman and Antony Urwin (2012) in which they discussed the tradeoff between beautiful and informative, which derives from the familiar tension between art and science. For a while now, I've been intrigued by metrics that measure "effort". Some years...

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Election visual 3: a strange, mash-up visualization

Continuing our review of FiveThirtyEight's election forecasting model visualization (link), I now look at their headline data visualization. (The previous posts in this series are here, and here.) It's a set of 22 maps, each showing one election scenario, with one candidate winning. What chart form is this? Small multiples may come to mind. A small-multiples chart is a grid in which every component graphic has the same form -...

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Super-informative ping-pong graphic

Via Twitter, Mike W. asked me to comment on this WSJ article about ping pong tables. According to the article, ping pong table sales track venture-capital deal flow: This chart is super-informative. I learned a lot from this chart, including: Very few VC-funded startups play ping pong, since the highlighted reference lines show 1000 deals and only 150 tables (!) The one San Jose store interviewed for the article is...

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