Disclosure control: CS11-617/2011-2E-PDF

the application of random noise to the microdata in the release of aggregate estimates /

"The application of random noise to the micro data of a business survey is a method of disclosure control. The method has a useful operational advantage: it is a "set it and forget" approach. Once random noise has been applied, cell totals can be prepared as required with confidentiality protected. This approach is compared with the traditional suppression approach used at Statistics Canada. The impact of random noise on the quality of totals is investigated. An experiment using data from the Industrial Water Survey is used to illustrate characteristics of random noise"--Abstract.

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Department/Agency Statistics Canada. Methodology Branch.
Title Disclosure control
Subtitle the application of random noise to the microdata in the release of aggregate estimates /
Series Title Working paper ;
Publication Type Series - View Master Record
Language [English]
Format Electronic
Electronic Document

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Note Digitized edition from print [produced by Statistics Canada]. "BSMD-2011-02-E."
Date [2011].
Number of Pages 16 p.
Catalogue Number
  • CS11-617/2011-2E-PDF
Departmental Catalogue Number 11-617E no. 2011-02
Subject Terms Methodology, Statistical analysis, Surveys