[ddj] A Backstage Tour of ggplot2 with Hadley Wickham

[M Edward Borasky]

If you're interested in R programming and graphics, the creator of
"GGPlot2", Professor Hadley Wickham, is hosting a free webinar about
the package. I've been using it for about five years and it's the best
tool I've found for presentation-quality graphics. Here's the link:

http://www.revolutionanalytics.com/news-events/free-webinars/2012/ggplot2-with-hadley-wickham/

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"A mathematician is a device for turning coffee into theorems." -- Paul Erdős