Download and unpack here the following datasets:
- Iris dataset
Source: https://archive.ics.uci.edu/ml/datasets/iris Only the iris.data file is needed.
- EMNIST dataset
Source: https://www.nist.gov/itl/products-and-services/emnist-dataset Download the binary format as the original MINST dataset. Only the emnist-digits-test-images-idx3-ubyte, emnist-digits-test-labels-idx1-ubyte, emnist-digits-train-images-idx3-ubyte and emnist-digits-train-labels-idx1-ubyte are needed for the implemented tests. They need to be unpacked, the gz format is not read.