evalml.objectives.FraudCost.decision_function

FraudCost.decision_function(ypred_proba, threshold=0.0, X=None)

Determine if a transaction is fraud given predicted probabilities, threshold, and dataframe with transaction amount.

Parameters

• ypred_proba (pd.Series) – Predicted probablities

• X (pd.DataFrame) – Dataframe containing transaction amount

• threshold (float) – Dollar threshold to determine if transaction is fraud

Returns

pd.Series of predicted fraud labels using X and threshold

Return type

pd.Series

evalml.objectives.FraudCost.calculate_percent_difference evalml.objectives.FraudCost.objective_function