Databricks
DATABRICKS-CERTIFIED-PROFESSIONAL-DATA-SCIENTIST · Question #10
Let's say you have two cases as below for the movie ratings 1. You recommend to a user a movie with four stars and he really doesn't like it and he'd rate it two stars 2. You recommend a movie with…
The correct answer is A. In both cases, the contribution to the RMSE is the same. See the full explanation below for the reasoning.
Question
Let's say you have two cases as below for the movie ratings 1. You recommend to a user a movie with four stars and he really doesn't like it and he'd rate it two stars 2. You recommend a movie with three stars but the user loves it (he'd rate it five stars). So which statement correctly applies?
Options
- AIn both cases, the contribution to the RMSE is the same
- BIn both cases, the contribution to the RMSE is the different
- CIn both cases, the contribution to the RMSE, could varies
- DNone of the above
How the community answered
(28 responses)- A82% (23)
- B11% (3)
- C4% (1)
- D4% (1)
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