The forecast feeds the order that becomes the label

Causal inferenceHard

Problem. Your forecast determines the order. The order caps what can be sold. Sales become next month's training data. A colleague says this is fine because the model is retrained on fresh data every week. Is it?

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.

← Item, store, region, national — and they don't add up