fl4health.client_managers.fixed_without_replacement_manager module

class FixedSamplingByFractionClientManager[source]

Bases: BaseFractionSamplingManager

Overrides the Simple Client Manager to provide Fixed Sampling without replacement for Clients by fraction

sample_fraction(sample_fraction, min_num_clients=None, criterion=None)[source]

Sample a number of Flower ClientProxy instances WITHOUT replacement.

Parameters:

  • sample_fraction (float) – Fraction of clients to sample. Guaranteed to produce this fraction from available clients

  • min_num_clients (int | None, optional) – minimum number of clients required to be available. Defaults to None.

  • criterion (Criterion | None, optional) – Criterion to help with sampling. No filter is applied if None. Defaults to None.

Returns:

List of ClientProxy objects representing the selected clients.

Return type:

list[ClientProxy]