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NCJ Number: NCJ 239536   Add to Shopping cart   Find in a Library
Title: Federal Justice Statistics Program Data Linking System
Author(s): Jessica A. Kelly
Corporate Author: The Urban Institute
United States of America
Date Published: 08/2012
Page Count: 73
Sponsoring Agency: Bureau of Justice Statistics
US Dept of Justice
Office of Justice Programs
United States of America
Grant Number: 2010-BJ-CX-K079
Sale Source: NCJRS Photocopy Services
Box 6000
Rockville, MD 20849-6000
United States of America
Document: PDF 
Type: Report (Technical)
Language: English
Country: United States of America
Annotation: This technical report describes the methodology of the Federal Justice Statistics Program (FJSP) dyad linking system.
Abstract: This technical report describes the methodology of the Federal Justice Statistics Program (FJSP) dyad linking system. The FJSP dyad linking system provides a method of linking records across data sources and tracking person-cases through the stages of the federal criminal justice system. The report is designed for users of the FJSP dyad linking system as well as a more general audience interested in data linking methodologies. General background information about the Federal Justice Statistics Program is provided, along with a brief description of an earlier linking methodology. The dyad-based linking methodology is explained in detail, including descriptions of the datasets and variables used in each dyad, and the benefits of using this new approach are discussed. In-depth information about the implementation of the Jaro-Winkler matching algorithm is presented, as are detailed results by year for each dyad, and comparisons to the first generation linking system. Match rates and linking statistics for years 1994-2009 are included in tables and appendices for illustrative purposes.
Main Term(s): Information Systems and Technology
Index Term(s): Systems analysis ; Statistics ; Criminal justice statistics ; Bureau of Justice Statistics (BJS) ; BJS final report
   
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