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A general statistical framework for assessing Granger causality

Author(s)
Kim, Sanggyun; Brown, Emery N.
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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Abstract
Assessing the causal relationship among multivariate time series is a crucial problem in many fields. Granger causality has been widely used to identify the causal interactions between continuous-valued time series based on multivariate autoregressive models in the Gaussian case. In order to extend the application of the Granger causality concept to non-Gaussian time series, we propose a general statistical framework for assessing the causal interactions. In this study, the Granger causality from a time series x2 to a time series x1 is assessed based on the relative reduction of the likelihood of x1 by the exclusion of x2 compared to the likelihood obtained using all the time series. Simulation results indicated that the proposed algorithm accurately predicted nature of interactions between discrete-valued time series as well as between continuous-valued time series.
Date issued
2010-03
URI
http://hdl.handle.net/1721.1/70484
Department
Harvard University--MIT Division of Health Sciences and Technology
Journal
Proceedings of the 2010 IEEE International Conference on Acoustics Speech and Signal Processing (ICASSP)
Publisher
Institute of Electrical and Electronics Engineers
Citation
Kim, Sanggyun, and Emery N. Brown. “A General Statistical Framework for Assessing Granger Causality.” in Proceedings of the 2010 IEEE International Conference on Acoustics Speech and Signal Processing (ICASSP), IEEE, Sheraton Dallas Hotel, Dallas, TX, 14-19 March 2010. 2222–2225. Web. ©2010 IEEE.
Version: Final published version
Other identifiers
INSPEC Accession Number: 11540599
ISBN
978-1-4244-4295-9
978-1-4244-4296-6
ISSN
1520-6149

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