Slopegraphs  JUL 12 2011

Charlie Park takes a look at a type of chart that Edward Tufte developed for his 1983 book, The Visual Display of Quantitative Information. Unlike sparklines, another Tufte invention/coinage, slopegraphs didn't really take off.

It's curious that it hasn't become more popular, as the chart type is quite elegant and aligns with all of Tufte's best practices for data visualization, and was created by the master of information design. Why haven't these charts (christened "slopegraphs" by Tufte about a month ago) taken off the way sparklines did? 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.

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Charlie Park   design   Edward Tufte   infoviz

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