File descriptions
train.npy: a numpy dump. The matrix is of shape 60000*875. The first 874 columns are the pixels of the image of shape 28 * 28, the last column is the category of the image, from 0 to 9.
test.npy: a numpy dump. The matrix is of shape 10000*874. The pixels of the test images of shape 28 * 28.
When you make a submission, please use a csv file with the first row being "Id,Category" and the remaining rows your predicted categories with ids starting from 0.