voiage.ml_policy_voi.evaluate_decision_focused_model_value
evaluate_decision_focused_model_value
Section titled “evaluate_decision_focused_model_value”evaluate_decision_focused_model_value([positional or keyword] candidate_predictions: dict[str, np.ndarray] = None, [positional or keyword] actual_outcomes: np.ndarray = None, [positional or keyword] intervention_cost: float = None, [positional or keyword] intervention_payoff: float = None, [positional or keyword] predictive_scores: dict[str, float] | None = None, [positional or keyword] decision_threshold: float = 0.5, [positional or keyword] evaluation_id: str = 'eval_ml_model_01', [positional or keyword] current_production_model_id: str | None = None, [positional or keyword] regret_refresh_threshold: float = 1000.0) -> DecisionFocusedModelValueResultEvaluate candidate models by downstream economic decision value.
Parameters
Section titled “Parameters”candidate_predictions : dict[str, np.ndarray] Mapping from model_id to 1D array of predicted probabilities. actual_outcomes : np.ndarray 1D array of true binary outcomes (0 or 1). intervention_cost : float Cost of taking the proactive intervention per unit. intervention_payoff : float Payoff/value saved when intervening on a positive outcome unit. predictive_scores : dict[str, float], optional Standard predictive metric (e.g. AUC-ROC or Brier score) for reference. decision_threshold : float Probability threshold for triggering intervention. Default 0.5. evaluation_id : str Unique evaluation ID. current_production_model_id : str, optional ID of currently deployed baseline model. regret_refresh_threshold : float Dollar threshold of policy regret above which refresh is recommended.
Returns
Section titled “Returns”DecisionFocusedModelValueResult Decision value, regret, chosen model, and refresh recommendation.
Parameters:
candidate_predictionsdict[str, np.ndarray]actual_outcomesnp.ndarrayintervention_costfloatintervention_payofffloatpredictive_scoresdict[str, float] | None(default:None)decision_thresholdfloat(default:0.5)evaluation_idstr(default:'eval_ml_model_01')current_production_model_idstr | None(default:None)regret_refresh_thresholdfloat(default:1000.0)
Returns: DecisionFocusedModelValueResult