Problem
What are the core assumptions of Ordinary Least Squares (OLS) linear regression? How do you diagnose and address violations of these assumptions?
Practicing as: Data Scientist interview at QUANTCOHi, I'll play your QUANTCO 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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