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Bubble charts show the value in the area of the circle, not its diameter. The chart is accurate but we're accustomed to seeing inaccurate charts using diameters
by athenot 8y ago
Bubble charts show the value in the area of the circle, not its diameter. The chart is accurate but we're accustomed to seeing inaccurate charts using diameters, usually to sensationalize an article.
- danso 8y agoThe difficulty for humans to interpret and compare circular areas is one of the reasons IIRC why Tufte and others are so adamant against pie charts.
- FabHK 8y agoSurprises me - pie charts are properly used only to display proportions, and in a pie chart the area is proportional to the angle is proportional to the length of the arc, so there should be much less scope for confusion? We should all have good intuitions for our share of the pie or pizza, no...? :-)