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Definition: Union unique

Statistical methodologies

A sample unique that is also population unique. The proportion of sample uniques that are union uniques is one measure of file level disclosure risk.
Source:
ESSNet SDC (Network of Excellence in the European Statistical System in the field of Statistical Disclosure Control), under the coordination of Anco HUNDEPOOL, "Handbook on Statistical Disclosure Control", version 1.2 (2010 Edition)
Created:
2010-05-03
Updated:
2019-05-10

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