Publications:Causal discovery using clusters from observational data


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Title Causal discovery using clusters from observational data
Author Sepideh Pashami and Anders Holst and Juhee Bae and Sławomir Nowaczyk
Year 2018
PublicationType Conference Paper
Conference FAIM'18 Workshop on CausalML, Stockholm, Sweden, July 15, 2018
Diva url
Abstract Many methods have been proposed over the years for distinguishing causes from effects using observational data only, and new ones are continuously being developed – deducing causal relationships is difficult enough that we do not hope to ever get the perfect one. Instead, we progress by creating powerful heuristics, capable of capturing more and more of the hints that are present in real data.One type of such hints, quite surprisingly rarely explicitly addressed by existing methods, is in-homogeneities in the data. Clusters are a very typical occurrence that should be taken into account, and exploited, in the process of identifying causes and effects. In this paper, we discuss the potential benefits, and explore the hints that clusters in the data can provide for causal discovery. We propose a new method, and show, using both artificial and real data, that accounting for clusters in the data leads to more accurate learning of causal structures.