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.../bit.ly/eC5YQe Slides and a video interview from a talk on the RHadoop project given at Hadoop World 2011: http://bit.ly/rGdYeG Using calendar heat maps in R to visualize training for a marathon: http://bit.ly/rvy1ix Modeling 70Gb of birth records data using the RevoScaleR package: http://bit.ly/tLwvGU Why we do need to deal with big data in R: http://bit.ly/rFmW9N The University of Washington is offering a web-based course on financial modeling with R: http://bit.ly/sLXYCY R performance tip: pre-allocate a vector, rather than extending it in a loop: http://bit.ly/ueKsMc A review of the new b...