Multiple Choice Flashcards on 01 Databricks Certified Machine Learning Associ...

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Flashcard Practice Databricks Certified Machine Learning Associate Multiple Choice

During debugging, a revenue model was trained to predict log(revenue), and RMSE was computed directly on the log-scale predictions. Product leaders ask for error in dollars. What should the team do?

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Transform predictions and labels back to the dollar scale before reporting dollar-level error metrics. Compare log-scale RMSE with dollar-scale MAE from another model. Report the log-scale RMSE as dollars because RMSE preserves the original unit by itself. Use ROC AUC because it is unitless and easier to explain.

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