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Record-level Measures of Disclosure Risk for Survey Microdata

Elamir, Elsayed A. H. and Skinner, Chris J. (2004) Record-level Measures of Disclosure Risk for Survey Microdata , Southampton, UK Southampton Statistical Sciences Research Institute 20pp. (S3RI Methodology Working Papers, M04/02).

Record type: Monograph (Project Report)


Measures of disclosure risk at the record level have a variety of potential uses in statistical disclosure control for microdata. We propose a new record level measure of disclosure risk which is the probability that a unique match between a microdata record and a population unit is correct. For discrete key variables subject to no measurement error, we study this measure under the assumption of a Poisson model and a Poisson-gamma model. Moreover, we apply the approaches to a sample of microdata from the U.K. General Household Survey. The results indicate that the risk measure may be used to establish whether sample unique records are unique in the population.

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Published date: 2004


Local EPrints ID: 8175
PURE UUID: 41b99a7a-ec30-4137-9d70-a8c1b491421e

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Date deposited: 11 Jul 2004
Last modified: 17 Jul 2017 17:13

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Author: Elsayed A. H. Elamir
Author: Chris J. Skinner

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