Databricks
DATABRICKS-CERTIFIED-PROFESSIONAL-DATA-SCIENTIST · Question #118
Under which circumstance do you need to implement N-fold cross-validation after creating a regression model?
The correct answer is B. There is not enough data to create a test set. See the full explanation below for the reasoning.
Question
Under which circumstance do you need to implement N-fold cross-validation after creating a regression model?
Options
- AThe data is unformatted.
- BThere is not enough data to create a test set.
- CThere are missing values in the data.
- DThere are categorical variables in the model.
How the community answered
(43 responses)- A9% (4)
- B74% (32)
- C2% (1)
- D14% (6)
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