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Product Experimentation with Doubly Robust Estimation: When Both Your Models Are Wrong in LLM Applications
原文英文，约4400词，阅读约需16分钟。
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内容提要
Your AI product shipped an agent-mode opt-in six months ago. You ran a propensity analysis, adjusted for engagement tier and query confidence, and reported a clean +8 percentage-point lift in task com
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