Abstract #301395

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JSM 2002 Abstract #301395
Activity Number: 375
Type: Topic Contributed
Date/Time: Thursday, August 15, 2002 : 8:30 AM to 10:20 AM
Sponsor: Section on Government Statistics*
Abstract - #301395
Title: Software for Tabular Data Protection
Author(s): Joe Gonzalez, Jr.*+ and Lawrence Cox
Affiliation(s): National Center for Health Statistics and National Center for Health Statistics
Address: 6525 Belcrest Road, Room 915, Hyattsville, Maryland, 20782,
Keywords: Statistical disclosure ; disclosure limitation
Abstract:

A major concern for federal agencies is the protection of identifiable data collected from survey respondents, persons, or establishments. Prior to release of public use files, data that could be used to identify a respondent are removed from microdata files. The other mechanism for statistical disclosure is the possible identification of individuals or establishments via tabular data. The National Center for Health Statistics has sponsored the development of disclosure limitation software for two-way tables by OptTek Systems, Inc. This paper will describe features of the software, including its different functions: cell suppression, controlled rounding, unbiased controlled rounding, and controlled rounding subject to subtotal constraints.

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Revised March 2002