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Recent advances in cyclic perturbation of frequency tables
[Neue Entwicklungen in der zyklischen Überlagerung von Fallzahltabellen]

Author

Listed:
  • Rainer Lenz

    (Faculty of Engineering
    Department of Statistics)

Abstract

As part of statistical disclosure control data holders can only distribute confidential data being sufficiently protected meeting national and institutional legislation. When releasing frequency tables to users, data holders usually apply what are called pre- and post-tabular methods reviewing both diclosure limitation and the users’ requirements. The main characteristic of post-tabular methods is to compute tables on the basis of their original underlying microdata and to perturb them just before transmission to users. The method of cyclic perturbation, proposed in (Duncan and Roehrig, Database Technologies: concepts, methodologies, tools and applications, pp 1823–1843, 2007), is very promising. Here, a sequence of perturbation patterns is added consecutively to some original table following a certain stochastic procedure. The paper presents different variations to define that sequence and discusses appropriate parameter settings in order to balance out the conventional trade-off between data utility and disclosure risk.

Suggested Citation

  • Rainer Lenz, 2016. "Recent advances in cyclic perturbation of frequency tables [Neue Entwicklungen in der zyklischen Überlagerung von Fallzahltabellen]," AStA Wirtschafts- und Sozialstatistisches Archiv, Springer;Deutsche Statistische Gesellschaft - German Statistical Society, vol. 10(1), pages 37-62, February.
    • Handle: RePEc:spr:astaws:v:10:y:2016:i:1:d:10.1007_s11943-016-0180-6
    DOI: 10.1007/s11943-016-0180-6
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    References listed on IDEAS

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    1. Hans-Peter Hafner & Felix Ritchie & Rainer Lenz, 2015. "User-focused threat identification for anonymised microdata," Working Papers 20151503, Department of Accounting, Economics and Finance, Bristol Business School, University of the West of England, Bristol.
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    Cited by:

    1. Ralf Münnich, 2016. "Vorwort des Herausgebers," AStA Wirtschafts- und Sozialstatistisches Archiv, Springer;Deutsche Statistische Gesellschaft - German Statistical Society, vol. 10(1), pages 1-3, February.
    2. Ralf Thomas Münnich, 2016. "Vorwort des Herausgebers," AStA Wirtschafts- und Sozialstatistisches Archiv, Springer;Deutsche Statistische Gesellschaft - German Statistical Society, vol. 10(1), pages 1-3, February.

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