See mlp/ directory.

All dataset files are in mnist/ directory.

original files: mp_X-Y_data.mat

preprocessed files: mp_X-Y_data_prepr.mat

split files: mp_X-Y_data_split.mat Splitting is done after preprocessing. Mat file has entries: 'TrainSet', 'TrainClass', 'ValidSet', 'ValidClass', 'TestSet', 'TestClass'