Problem
Describe a time you had to clean and preprocess a messy, real-world dataset for a machine learning or analytics project.
Practicing as: Data Scientist interview at TalaHi, I'll play your Tala interviewer for the Data Scientist 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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