Balloon plot using ggplot2

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Following Tal Galili example and using part of his code, I want to plot the balloonplot you can see here using R and the excellent ggplot2 package by Hadley Wickham.

### I retrieve the data from the google document you can find here using Tal Galili code:
## I slightly modified Tal code to include popularity stats:
supplement.popularity 
## For reproducibility I add the cardio data.frame so you can use it right away
cardio 
library(ggplot2)
myTheme 
s 

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