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...advice on thinking about writing loops in R by Yihiu Xie: http://bit.ly/gr4OlV Revolution's Joe Rickert reviews the R talks at the ACM Data Mining Camp: http://bit.ly/ebo9Pk The competition to create a recommendation engine for R packages continues, with new data and new prizes: http://bit.ly/ezF5WB There's a new package to access the InfoChimps API from R, for geolocation, census demographic data, and more: http://bit.ly/gTWiAA A tutorial from FlowingData on making bubble charts with R: http://bit.ly/hNL41L An analysis of the users of the prediction competition site Kaggle revealed tha...