An efficient causal discovery algorithm for linear models
Refereed conference paper presented and published in conference proceedings


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AbstractBayesian network learning algorithms have been widely used for causal discovery since the pioneer work [13, 18]. Among all existing algorithms, three-phase dependency analysis algorithm (TPDA) [5] is the most efficient one in the sense that it has polynomial-time complexity. However, there are still some limitations to be improved. First, TPDA depends on mutual information-based conditional independence (CI) tests, and so is not easy to be applied to continuous data. In addition, TPDA uses two phases to get approximate skeletons of Bayesian networks, which is not efficient in practice. In this paper, we propose a two-phase algorithm with partial correlation-based CI tests: the first phase of the algorithm constructs a Markov random field from data, which provides a close approximation to the structure of the true Bayesian network; at the second phase, the algorithm removes redundant edges according to CI tests to get the true Bayesian network. We show that two-phase algorithm with partial correlation-based CI tests can deal with continuous data following arbitrary distributions rather than only Gaussian distribution. © 2010 ACM.
All Author(s) ListWang Z., Chan L.
Name of Conference16th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, KDD-2010
Start Date of Conference25/07/2010
End Date of Conference28/07/2010
Place of ConferenceWashington, DC
Country/Region of ConferenceUnited States of America
Detailed descriptionorganized by ACM SIGKDD,
Year2010
Month9
Day7
Pages1109 - 1117
ISBN9781450300551
LanguagesEnglish-United Kingdom
KeywordsBayesian networks, Causal modeling, Graphical models

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