Databricks
DATABRICKS-CERTIFIED-PROFESSIONAL-DATA-SCIENTIST · Question #57
DATABRICKS-CERTIFIED-PROFESSIONAL-DATA-SCIENTIST Question #57: Real Exam Question with Answer & Explanation
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Question
While working with Netflix the movie rating websites you have developed a recommender system that has produced ratings predictions for your data set that are consistently exactly 1 higher for the user-item pairs in your dataset than the ratings given in the dataset. There are n items in the dataset. What will be the calculated RMSE of your recommender system on the dataset?
Options
- A1
- B2
- C0
- Dn/2
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