from_parquet

classmethod CrowdDetectionEvaluator.from_parquet(input_dir: Path | str) → Self

Class method to construct an instance of this class or a subclass. the parquet folder must have been created with the method to_parquet (see above)

Parameters:

input_dir – Path to directory containing the metadata.yaml file along with the different parquet files

Raises:

ValueError – Raised when the object name contained in input_dict['__name__'] is not the same as the name of the class this method is called from. For example, you can’t call Evaluator.from_parquet() with a folder created by a DetectionEvaluator object.

Returns:

New object of the same subclass as the method is caled from, containing data loaded from the parquet files in the input directory