Learning When-to-Treat Policies
学习何时开始治疗的动态政策AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要明确以序贯可忽略性为基础,从观察性数据学习动态治疗政策,直接对应因果推断与政策学习。
反馈分类问题学习何时开始治疗的动态政策AI 解读 ↓
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Many applied decision-making problems have a dynamic component: The policymaker needs not only to choose whom to treat, but also when to start which treatment. For example, a medical doctor may choose between postponing treatment (watchful waiting) and prescribing one of several available treatments during the many visits from a patient. We develop an “advantage doubly robust” estimator for learning such dynamic treatment rules using observational data under the assumption of sequential ignorability. We prove welfare regret bounds that generalize results for doubly robust learning in the single-step setting, and show promising empirical performance in several different contexts. Our approach is practical for policy optimization, and does not need any structural (e.g., Markovian) assumptions. Supplementary materials for this article are available online.