Bayesian disclosure risk assessment: predicting small frequencies in contingency tables
Forster, Jonathan J. and Webb, Emily L. (2007) Bayesian disclosure risk assessment: predicting small frequencies in contingency tables. Journal of the Royal Statistical Society: Series C (Applied Statistics), 56, (5), 551-570. (doi:10.1111/j.1467-9876.2007.00591.x).
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We propose an approach for assessing the risk of individual identification in the release of categorical data. This requires the accurate calculation of predictive probabilities for those cells in a contingency table which have small sample frequencies, making the problem somewhat different from usual contingency table estimation, where interest is generally focused on regions of high probability. Our approach is Bayesian and provides posterior predictive probabilities of identification risk. By incorporating model uncertainty in our analysis, we can provide more realistic estimates of disclosure risk for individual cell counts than are provided by methods which ignore the multivariate structure of the data set
|Digital Object Identifier (DOI):||doi:10.1111/j.1467-9876.2007.00591.x|
|Subjects:||Q Science > QA Mathematics
H Social Sciences > HA Statistics
|Divisions:||University Structure - Pre August 2011 > Southampton Statistical Sciences Research Institute
University Structure - Pre August 2011 > School of Mathematics > Statistics
|Date Deposited:||19 Jun 2007|
|Last Modified:||06 Aug 2015 02:38|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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