Causal Rule Forest: Toward Interpretable and Precise Treatment Effect Estimation

• URL: http://arxiv.org/abs/2408.15055v1
• Date: Tue, 27 Aug 2024 13:32:31 GMT
• Title: Causal Rule Forest: Toward Interpretable and Precise Treatment Effect Estimation
• Authors: Chan Hsu, Jun-Ting Wu, Yihuang Kang,
• Abstract summary: Causal Rule Forest (CRF) is a novel approach to learning hidden patterns from data and transforming the patterns into interpretable multi-level Boolean rules. By training the other interpretable causal inference models with data representation learned by CRF, we can reduce the predictive errors of these models in estimating Heterogeneous Treatment Effects (HTE) and Conditional Average Treatment Effects (CATE) Our experiments underscore the potential of CRF to advance personalized interventions and policies.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Understanding and inferencing Heterogeneous Treatment Effects (HTE) and Conditional Average Treatment Effects (CATE) are vital for developing personalized treatment recommendations. Many state-of-the-art approaches achieve inspiring performance in estimating HTE on benchmark datasets or simulation studies. However, the indirect predicting manner and complex model architecture reduce the interpretability of these approaches. To mitigate the gap between predictive performance and heterogeneity interpretability, we introduce the Causal Rule Forest (CRF), a novel approach to learning hidden patterns from data and transforming the patterns into interpretable multi-level Boolean rules. By training the other interpretable causal inference models with data representation learned by CRF, we can reduce the predictive errors of these models in estimating HTE and CATE, while keeping their interpretability for identifying subgroups that a treatment is more effective. Our experiments underscore the potential of CRF to advance personalized interventions and policies, paving the way for future research to enhance its scalability and application across complex causal inference challenges.

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