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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 reports excellent forecast accuracy after training on January through December data and testing on randomly selected weeks from the same year. The model will predict future weeks. What is the main concern?

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The forecast horizon is invalid because it covers more than one week The model cannot use calendar features in a forecasting problem The problem should be converted to clustering because weeks repeat annually The evaluation may leak future patterns because it does not preserve temporal order

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