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Multiple Choice Flashcards

Practice multiple choice certification questions for Certified Data Science Practitioner - CDSP and review the explanation after each answer.

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Review the keyed rationale after answering so the correct CertNexus service choice and each distractor stay connected.

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Flashcard Practice Certified Data Science Practitioner - CDSP Multiple Choice

A company fits its TF vocabulary on the entire corpus before splitting train and test data. Test performance is higher than expected. What should be corrected?

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Remove all rare terms from the test data before scoring Use the target label as a token so the vectorizer has stronger signal Fit the vocabulary on test data only so test features are more accurate Fit the tokenizer or vectorizer vocabulary on training data only, then transform held-out data

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