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Quickly returns a small synthetic dataset, useful for unit tests, etc.


Each client produced has exactly 10 examples, one of each digit. The images are derived from a fixed set of hard-coded images, and transformed using tff.simulation.datasets.emnist.infinite_emnist to produce the desired number of clients.


  • num_clients: The number of synthetic clients to generate.


A tff.simulation.ClientData object that matches the characteristics (other than size) of those provided by tff.simulation.datasets.emnist.load_data.