evalml.objectives.FraudCost.decision_function

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

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

Series of predicted fraud labels using X and threshold

Return type

pd.Series