Definition: Swapping

Category: Statistical methodologies

Swapping (or switching) involves selecting a sample of the records, finding a match in the data base on a set of predetermined variables and swapping all or some of the other variables between the matched records. Swapping (or switching) was illustrated as part of the confidentiality edit for tables of frequency data. http://ec.europa.eu/eurostat/ramon/statmanuals/files/SDC_Handbook.pdf
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:
Updated: