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KEY VARIABLE

Statistics Directorate    
Definition:
A variable in common between two datasets, which may therefore be used for linking records between them. A key variable can either be a formal identifier or a quasiidentifier.

Source Publication:
Statistics Netherlands, Statistics Canada, Germany FSO, University of Manchester, 2005, Glossary of Statistical Disclosure Control, incorporated in paper presented at Joint UNECE/Eurostat work session on statistical data confidentiality, Geneva, 9-11 October 2005.

Statistical Theme: Methodological information (metadata)

Created on Thursday, November 10, 2005