IAPP Artificial Intelligence Governance Professional (AIGP) — Question 21

What is the most important purpose of a validation data set when developing a machine learning model?

Answer options

• A. To guide model optimization during the training process.
• B. To increase the total amount of data for ingestion.
• C. To serve as a final set of unseen data.
• D. To evaluate the model’s final performance prior to deployment.

Correct answer: A

Explanation

The correct answer is A because the validation data set is utilized to refine and optimize the model during training. Options B and C do not accurately reflect the role of a validation set, while option D pertains more to the testing phase rather than optimization.