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arXiv 2406.02241econ.EM
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利用改进的因果森林实现决策制定:用于处理分配的策略树

Enabling Decision-Making with the Modified Causal Forest: Policy Trees for Treatment Assignment

Hugo Bodory, Federica Mascolo, Michael Lechner

AI总结:

本文提出了一种基于改进因果森林的可解释非参数化决策树算法Policy Tree,用于处理分配策略,支持多离散处理并具备约束处理能力,已在Python开源包mcf中实现。

摘要:

决策制定在塑造医学、经济学和商业等多个学科的结果中发挥着关键作用。本文为从业者提供了指导,说明如何使用可解释且非参数化的算法来实现旨在解决处理分配策略的决策树。我们的Policy Tree受到Zhou, Athey和Wager(2023)提出的方法的启发,在策略得分计算、纳入约束以及处理分类和连续变量方面独具特色。我们展示了Policy Tree在不同领域数据集上对多个离散处理的使用情况。Policy Tree可在Python开源包mcf(Modified Causal Forest)中使用。

英文摘要:

Decision-making plays a pivotal role in shaping outcomes in various disciplines, such as medicine, economics, and business. This paper provides guidance to practitioners on how to implement a decision tree designed to address treatment assignment policies using an interpretable and non-parametric algorithm. Our Policy Tree is motivated on the method proposed by Zhou, Athey, and Wager (2023), distinguishing itself for the policy score calculation, incorporating constraints, and handling categorical and continuous variables. We demonstrate the usage of the Policy Tree for multiple, discrete treatments on data sets from different fields. The Policy Tree is available in Python's open-source package mcf (Modified Causal Forest).

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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