Problem
Walk me through the fundamental assumptions of Ordinary Least Squares (OLS) linear regression. What happens to your model if these assumptions are violated?
Practicing as: Data Scientist interview at AqrHi, I'll play your Aqr interviewer for the Data Scientist role. Candidates describe these interviews as mixed and moderately difficult, so expect me to be professional and fair. Take your time with the question above and answer like we're in the room.
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