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As if the London Whale nearly bankrupting Chase Bank wasn't lesson enough, we now hear that an Excel error impacted the conclusions of a major economics paper that influenced the recent austerity policies in the US, UK and elsewhere.

by Thomas Dinsmore

Revolution R Enterprise Release 6.2 goes live next week, so naturally our development team is thinking ahead to Release 7, which we plan to release later this year.

If you're creating a scientific graphic in the R language, there's a good chance you'll be wanting to include some mathematical symbols somewhere on the chart. You might want to use a symbol like μ as an axis label, annotate a curve with simple math like x2, or even put a complete equation like:


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: