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What surprises me about this video isn't that the quadrocopter doesn't get zapped — the power of Faraday cages to divert electrical current is well understood. What surprises me is that the radio controller manages to pilot the drone amongst all that EM radiation caused by the Tesla coils (via Gregory Piatetsky):


That's all for this week — have a great weekend, folks.


by Derek McCrae Norton, Senior Sales Engineer

In this second installment of Extending RevoScaleR for Mining Big Data we look at how to use the building blocks provided by RevoScaleR to transform continuous variables into discrete.

In case you missed them, here are some articles from March of particular interest to R users.

Facebook used R to analyze profile photo changes to create a map of same-sex marriage support in the USA.

Looking for more resources on the web or people to follow on Twitter? Here are some lists you may find useful:

Rodrigo Zamith's NCAA Tournament Visualizer is a great example of an interactive data visualization. If you want to create something similar, Rodrigo has shared detailed behind-the-scenes information on how it was created. He used a mix of tools:

Creating visualizations of large data sets is a tough problem: with a limited number of pixels available on the screen (or just with the limited visual acuity of the human eye), massive numbers of symbols on the page can easily result in an uninterpretable mess. On Friday we shared one way of tackling the problem using Revolution R Enterprise: hexagonal binning charts.

Gary Bernhardt shares some of the quirkier aspects of languages like Ruby and JavaScript in this hilarious lightning talk from last year (via Hadley Wickham):


by Derek McCrae Norton, Senior Sales Engineer

It is my job to help potential clients see that the tasks they are used to completing can be completed on big data in Revolution R Enterprise (and that it is easy).  Honestly, this is my dream job, and in my eyes it is sort of like playing and getting paid for it.

Many times RevoScaleR has exactly what the clients are looking for which is great, even if not as much fun for me. Sometimes, however, the client wants to carry out a task that is not explicitly included in RevoScaleR and this is where the fun begins.