Problem
What are the core assumptions of Ordinary Least Squares (OLS) regression, and how do you test for them?
Practicing as: Data Scientist interview at RokuHi, I'll play your Roku 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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