Redesigning a visualization can be useful in teaching a point. Make a graphic better (or “better” depending on what angle you’re looking from) with a different layout and visual encodings. Perhaps the most well-known is Edward Tufte’s redesign from his book Visual Explanations in which he reworks a diagram used in decision-making for the space shuttle Challenger launch.
However, Fernanda Viégas and Martin Wattenberg explain why such redesigns can be problematic and offer a more useful approach.
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