ott.neural.methods.expectile_neural_dual.ExpectileNeuralDual.train_fn# ExpectileNeuralDual.train_fn(trainloader_source, trainloader_target, validloader_source, validloader_target, callback=None)[source]# Training and validation. Parameters: trainloader_source (Iterator[Array]) trainloader_target (Iterator[Array]) validloader_source (Iterator[Array]) validloader_target (Iterator[Array]) callback (Optional[Callable[[int, DualPotentials], None]]) Return type: Dict[Literal['train_logs', 'valid_logs'], Dict[str, List[float]]]