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David Smith

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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.   ... (more)

Revolution Newsletter: April 2013

The most recent edition of the Revolution Newsletter is out. The news section is below, and you can read the full April edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. Now Available: Revolution R Enterprise 6.2. Released today, this update further enhances the performance, scalability and enterprise readiness of Revolution R Enterprise. Key new features include fast data import from Teradata data warehouses, big-data stepwise linear regression support, upgrades to the RevoDeployR w... (more)

Visualize large data sets with the bigvis package

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. Relatedly, RStudio's chief scientist Hadley Wickham is taking a comprehensive approach to big-data visualization with his new open-source bigviz package, currently available on GitHub. (Disclaimer: early developmen... (more)

Vote in the KDnuggets poll on Analytics Software

The 14th annual KDnuggets poll measuring use of analytics software is open for voting. The poll asks, "What Predictive Analytics, Big Data, Data mining, Data Science software you used in the past 12 months for a real project?" and allows up to 20 choices from commercial software, open source software, and "big data" software. R was the leading choice in 2012, and currently leads the pack in the voting for 2013.  You can enter your vote now at the link below. KDnuggets: New Poll: Predictive Analytics, Big Data, Data Mining, Data Science Software Used ... (more)

Social Network Analysis at New Frontiers in Computing 2013

by Joseph Rickert This past Saturday, the New Frontiers in Computing Conference (NFIC 2013), held at Stanford University, explored the theme: Social Network Analysis: It’s Who You Know. The speakers were a well-chosen, eclectic lot who covered a remarkable array of issues in less than a full day. Ian Hersey, former CTO of Attensity spoke on Lessons from Large-Scale Social Analytics. Michael Wu, Chief scientist of Lithium Technologies, provided an introduction to social network analysis and very gamely conducted a live experiment building a social network of attendee tweets duri... (more)