This is an implementation in R of a deep learning framework proposed by [1] and applied here for classification of handwritten digits [2]
[1] Coates, A., Ng, A.Y.: Learning Feature Representations with K-means, G. Montavon, G. B. Orr, K.-R. uller (Eds.), Neural Networks: Tricks of the Trade, 2nd edn, Springer LNCS 7700, 2012
[2] The MNIST database of handwritten digits: Yann LeCun, Courant Institute, NYU; Corinna Cortes, Google Labs, New York; Christopher J.C. Burges, Microsoft Research, Redmond http://yann.lecun.com/exdb/mnist/