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Ricky Ho has created a reference a 6-page PDF reference card on Big Data Machine Learning, with examples implemented in the R language. (A free registration to DZone Refcardz is required to download the PDF.) The examples cover:

Predictive modeling overview (how to set up test and training sets in R)

The examples use the traditional built-in R data sets (such as the iris data, used to create the neural network above), so there's unfortunately not much of a "big data" aspect to the reference card. But if you're just getting started with prediction and classification models in R, this cheat sheet is a useful guide.