Nathan Yau, of the excellent FlowingData blog, recently asked on his Twitter stream: I wonder if there’s a market for premium R packages, like there is for say, @wordpress themes and plugins There are some great packages available for R, all of which are currently free. I think it would be great if authors like

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The R Function Reference is a mind map that I've created to help novice and intermediate R users perform common tasks and analyses.

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Graphing data with a few outliers is challenging, and some solutions are better than others. Here is a comparison of the alternatives.

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