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Cleaning and Preparing Datasets

Medium
MediumSQL & Data ManipulationData WranglingCase WhenAggregations

Problem

Can you explain how you would clean and prepare a dataset for analysis?

Practicing as: Data Analyst interview at Definitive Healthcare

Hi, I'll play your Definitive Healthcare interviewer for the Data Analyst role. Candidates describe these interviews as often stressful and moderately difficult, so expect me to be direct and to the point. Take your time with the question above and answer like we're in the room.

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Definitive Healthcare Data Analyst Interview Questions
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