A financial institution deploys a credit-scoring AI model. Six months after deployment, the model's Gini coefficient drops from 0.62 to 0.44. The risk team suspects the model has degraded but is unsure of the cause. Which action should be taken FIRST?
Select an answer to reveal the explanation.
Short Explanation and Infographic
Here's the deal — b is correct because diagnosing the root cause of performance degradation (data drift, concept drift, or population shift) is necessary before selecting the appropriate remediation. Retraining without diagnosis may reproduce the same problem.
Full explanation below image
Full Explanation
B is correct because diagnosing the root cause of performance degradation (data drift, concept drift, or population shift) is necessary before selecting the appropriate remediation. Retraining without diagnosis may reproduce the same problem. A is premature and could perpetuate bias if the data has shifted. C may be warranted eventually but not before diagnosis. D addresses symptoms rather than the underlying cause.