DS Technical SkillsProblem Solving

Write out the pseudocode for an ETL validation step that compares today's row count against a 7-day rolling average to detect ingestion failures.

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Interview question asked to Data Scientists interviewing at Lyft, Hitachi, Rovio and other companies. Original question asked: Write out the pseudocode for an ETL validation step that compares today's row count against a 7-day rolling average to detect ingestion failures..