JSM 2004 - Toronto

Abstract #300960

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Activity Number: 401
Type: Topic Contributed
Date/Time: Thursday, August 12, 2004 : 8:30 AM to 10:20 AM
Sponsor: Section on Survey Research Methods
Abstract - #300960
Title: Using Shortest-path Algorithms to Derive Implied Ratio Edits
Author(s): Brian V. Greenberg*+ and James T. Fagan
Companies: Social Security Administration and U.S. Census Bureau
Address: 6401 Security Blvd., 4-C-15 Operations Bldg., Baltimore, MD, 21235,
Keywords: economic editing ; SPEER edit system ; ratio edits ; implied edits
Abstract:

The SPEER (Structured Program for Economic Editing and Referrals) edit system was developed at the Census Bureau in the early 1980s for editing and imputation of economic data collected in the economic censuses and other major economic surveys. This edit system subsequently has been incorporated into the Census Bureau's standard system for processing economic survey and census data. For each application for which it has been adapted, the SPEER system has been customized to meet specialized data needs, as planned in the original design. However, there have been no changes to the underlying edit methodology or the strategy for generating implied ratio edits. We present the theory for generating implied ratio edits as a shortest-path problem and introduce simple yet rigorous methods to derive implied edits. The methods discussed here have already been incorporated and successfully used in Census Bureau programs for processing economic surveys.

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