This folder holds the datasets. The need to be downloaded separately. 

For MNIST dataset, download from <http://yann.lecun.com/exdb/mnist/> and put the standalone files into the `mnist` folder.

For CIFAR-10 dataset, download the "CIFAR-10 binary version (suitable for C programs)" from <https://www.cs.toronto.edu/~kriz/cifar.html>, extract the standalone `*.bin` files and put them into the `cifar-10-batches-bin` folder.

For Fashion-MNIST dataset, download from https://github.com/zalandoresearch/fashion-mnist