import randn
            >>> # Example plotting multiple values
            >>> from torchmetrics.regression import MeanAbsolutePercentageError
            >>> metric = MeanAbsolutePercentageError()
            >>> values = []
            >>> for _ in range(10):
            ...     values.append(metric(randn(10,), randn(10,)))
            >>> fig, ax = metric.plot(values)

        )