Databricks Exam Databricks-Certified-Professional-Data-Scientist Topic 4 Question 53 Discussion

Actual exam question for Databricks's Databricks-Certified-Professional-Data-Scientist exam

Question #: 53
Topic #: 4

Under which circumstance do you need to implement N-fold cross-validation after creating a regression model?

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.

Show Suggested Answer

Suggested Answer: B

by Portia at Feb 11, 2024, 12:17 PM

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7 months ago

Actually, I think N-fold cross-validation is needed when there are categorical variables in the model.

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7 months ago

I disagree, I believe we should use N-fold cross-validation when there are missing values in the data.

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8 months ago

I think we need to implement N-fold cross-validation when there is not enough data to create a test set.

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