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Erschienen in:
2006 | OriginalPaper | Buchkapitel
A Method for Preserving Statistical Distributions Subject to Controlled Tabular Adjustment
verfasst von : Lawrence H. Cox, Jean G. Orelien, Babubhai V. Shah
Erschienen in: Privacy in Statistical Databases
Verlag: Springer Berlin Heidelberg
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Controlled tabular adjustment preserves confidentiality and tabular structure. Quality-preserving controlled tabular adjustment in addition preserves parameters of the distribution of the original (unadjusted) data. Both methods are based on mathematical programming. We introduce a method for preserving the original distribution itself, a fortiori the distributional parameters. The accuracy of the approximation is measured by minimum discrimination information. MDI is computed using an optimal statistical algorithm—iterative proportional fitting.