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Exploratory network analysis of large social science questionnaires
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Goudie, Robert J. B., Mukherjee, Sach and Griffiths, Frances (2011) Exploratory network analysis of large social science questionnaires. In: Proceedings of the 8th Bayesian Modelling Applications Workshop, Barcelona, Spain, 14th July 2011. Published in: The 8th Bayesian Modelling Applications Workshop pp. 34-42.
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Official URL: http://abnms.org/uai2011-apps-workshop/proceedings...
Abstract
There are now many large surveys of individuals that include questions covering a wide range of behaviours. We investigate longitudinal data from the Add Health survey of adolescents in the US. We describe how structural inference for (dynamic) Bayesian networks can be used to explore relationships between variables in such data and present this information in an interpretable format for subject-matter practitioners. Surveys such as this often have a large sample-size, which, whilst increasing the precision of inference,may mean that the posterior distribution over Bayesian networks (or graphs) is concentrated on disparate graphs. In such situations, the standard MC 3 sampler converges very slowly to the posterior distribution. Instead, we use a Gibbs sampler (1), which moves more freely through graph space. We present and discuss the resulting Bayesian network, focusing on depression, and provide estimates of how different variables affect the probability of depression via the overall probabilistic structure given by the Bayesian network.
| Item Type: | Conference Item (Paper) |
|---|---|
| Subjects: | H Social Sciences > HA Statistics R Medicine > R Medicine (General) |
| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Science > Statistics Faculty of Medicine > Warwick Medical School |
| Library of Congress Subject Headings (LCSH): | Questionnaires, Social sciences -- Network analysis |
| Journal or Publication Title: | The 8th Bayesian Modelling Applications Workshop |
| Date: | 2011 |
| Page Range: | pp. 34-42 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Open Access |
| Conference Paper Type: | Paper |
| Title of Event: | Proceedings of the 8th Bayesian Modelling Applications Workshop |
| Type of Event: | Workshop |
| Location of Event: | Barcelona, Spain |
| Date(s) of Event: | 14th July 2011 |
| URI: | http://wrap.warwick.ac.uk/id/eprint/39971 |
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