evalml.objectives.ExpVariance.calculate_percent_difference

classmethod ExpVariance.calculate_percent_difference(score, baseline_score)

Calculate the percent difference between scores.

Parameters

• score (float) – A score. Output of the score method of this objective.

• baseline_score (float) – A score. Output of the score method of this objective. In practice, this is the score achieved on this objective with a baseline estimator.

Returns

The percent difference between the scores. Note that for objectives that can be interpreted

as percentages, this will be the difference between the reference score and score. For all other objectives, the difference will be normalized by the reference score.

Return type

float

evalml.objectives.ExpVariance.__init__ evalml.objectives.ExpVariance.is_defined_for_problem_type