(This article was first published on Revolutions, and kindly contributed to R-bloggers)
In the US, at least. Via The Consumerist:
Incidentally, the US FDA doesn't publish pyramids like this any more: it's now a garish personalized 2-d triangle with stripes. But at least it doesn't make the error of dimension committed by the left-hand pyramid: that orange section is a hell of a lot larger than 74% of the volume.
The Consumerist: Why A Salad Costs More Than A Big Mac
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Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
