Define success for a new Homefeed ranking model
Measure successMediumProblem. An ML team built a new Homefeed ranking model that uses real-time user actions. Before the A/B test, they ask you: how should we define and measure whether this is a success?
Before you reveal: say your answer out loud, as if you were in the real interview — get your reasoning across clearly first. There is no single correct answer: reading what the interviewer is really after and defending your own thinking is what makes an answer strong.