This directory contains MNIST input data.
Note that the original MNIST data (not included; downloaded from URL below)
has been processed such that features are all binary, as follows:

Original data
  http://yann.lecun.com/exdb/mnist/train-images-idx3-ubyte.gz
  http://yann.lecun.com/exdb/mnist/train-labels-idx1-ubyte.gz
  http://yann.lecun.com/exdb/mnist/t10k-images-idx3-ubyte.gz
  http://yann.lecun.com/exdb/mnist/t10k-labels-idx1-ubyte.gz

These files were turned into ascii files using 

  $ python3 csv.py

producing 

  mnist_train.csv
  mnist_test.csv

These text files were used in 
 
  binarize.R

to generate

  mnist_train_binary.rds
  mnist_test_binary.rds
