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Discovering Context Specific Causal Relationships

lib:49744bd790547758 (v1.0.0)

Authors: Saisai Ma,Jiuyong Li,Lin Liu,Thuc Duy Le
ArXiv: 1808.06316
Document:  PDF  DOI 
Abstract URL: http://arxiv.org/abs/1808.06316v1

With the increasing need of personalised decision making, such as personalised medicine and online recommendations, a growing attention has been paid to the discovery of the context and heterogeneity of causal relationships. Most existing methods, however, assume a known cause (e.g. a new drug) and focus on identifying from data the contexts of heterogeneous effects of the cause (e.g. patient groups with different responses to the new drug). There is no approach to efficiently detecting directly from observational data context specific causal relationships, i.e. discovering the causes and their contexts simultaneously. In this paper, by taking the advantages of highly efficient decision tree induction and the well established causal inference framework, we propose the Tree based Context Causal rule discovery (TCC) method, for efficient exploration of context specific causal relationships from data. Experiments with both synthetic and real world data sets show that TCC can effectively discover context specific causal rules from the data.

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