def DPL()

in src/smclarify/bias/metrics/pretraining.py [0:0]

• 5 lines of code
• 1 McCabe index (conditional complexity)

def DPL(feature: pd.Series, sensitive_facet_index: pd.Series, positive_label_index: pd.Series) -> float:
    r"""
    Difference in Positive Proportions in Labels (DPL)

    :param feature: input feature
    :param sensitive_facet_index: boolean column indicating sensitive group
    :param positive_label_index: boolean column indicating positive labels
    :return: a float in the interval [-1, +1] indicating bias in the labels.
    """
    require(sensitive_facet_index.dtype == bool, "sensitive_facet_index must be of type bool")
    require(positive_label_index.dtype == bool, "positive_label_index must be of type bool")
    return common.DPL(feature, sensitive_facet_index, positive_label_index)