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

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Flashcard Practice Databricks Certified Machine Learning Associate Multiple Choice

A rare positive class appears in 2% of records. What split strategy helps ensure each evaluation split contains positive examples?

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Use stratified splitting to preserve class proportions. Train on the validation set and test on the training set. Sort by label and put positives at the end. Hash only the feature columns and ignore labels during splitting.

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