def evaluate_samples(
        self, samples, eval_key=None, missing=None, progress=None
    ):
        """Evaluates the regression predictions in the given samples with
        respect to the specified ground truth values.

        Args:
            samples: a :class:`fiftyone.core.collections.SampleCollection`
            eval_key (None): an evaluation key for this evaluation
            missing (None): a missing value. Any None-valued regressions are
                given this value for results purposes
            progress (None): whether to render a progress bar (True/False), use
                the default value ``fiftyone.config.show_progress_bars``
                (None), or a progress callback function to invoke instead

        Returns:
            a :class:`RegressionResults` instance
        """
        pass
Evaluates the regression predictions in the given samples with
        respect to the specified ground truth values.

        Args:
            samples: a :class:`fiftyone.core.collections.SampleCollection`
            eval_key (None): an evaluation key for this evaluation
            missing (None): a missing value. Any None-valued regressions are
                given this value for results purposes
            progress (None): whether to render a progress bar (True/False), use
                the default value ``fiftyone.config.show_progress_bars``
                (None), or a progress callback function to invoke instead

        Returns:
            a :class:`RegressionResults` instance
        
fiftyone/utils/eval/regression.py