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Pegasystems Exam PEGAPCDC87V1 Topic 2 Question 26 Discussion
Topic #: 2
U+, a retail bank, recently implemented a project in which credit card offers are presented to qualified customers when they log in to the web self-service portal. The bank does not want any bias except to satisfy the eligibility condition Age >=18. As a Decisioning Consultant, how will you configure the ethical bias policy to allow a minimum bias on age?
Ethical Bias Policy Configuration:
To allow minimal bias on age while ensuring eligibility (Age >= 18), an appropriate Gini coefficient threshold needs to be set.
The Gini coefficient measures statistical inequality, with 0 representing perfect equality and higher values indicating more bias.
Choosing the Gini Threshold:
A 0.1 Gini coefficient is a low threshold that allows minimal bias.
It ensures that the actions are distributed fairly among customers while still respecting the eligibility condition.
Detailed Explanation:
Setting a 0.1 Gini coefficient allows for slight variations in distribution, which is sufficient to accommodate the Age >= 18 requirement without introducing significant bias.
Verification from Pega Documentation:
The Pega Customer Decision Hub User Guide explains the use of Gini coefficients for measuring and setting thresholds to control bias in decisioning strategies.
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