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November 23, 2010


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And if you want to do that with Open Source tools, use R's svg graphics device and edit in Inkscape!

Great suggestion, thanks Barry!

FWIW, there's a JSS paper on the subject (I can't remember the title right now, something about Perceptual Scaling) that suggests that ^0.57 is a better transform for the radius than ^0.5. That's what I use for my own bubble charts for the most part (though at most resolutions it's hard to tell the difference between two by eye).

how is it possible to create a pie chart in a bubble plot?

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