Edward Tufte’s ‘Slopegraphs’

“What’s interesting is that over 20 years before sparklines came on the scene, Tufte developed a different type of data visualization that didn’t fare nearly as well. To date, in fact, I’ve only been able to find three examples of it, and even they aren’t completely in line with his vision. (…) In this post, we’re going to look at slopegraphs – what they are, how they’re made, why they haven’t seen a massive uptake so far, and why I think they’re about to become much more popular in the near future.”

(Charlie Park a.k.a. @charliepark)

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