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Data quality: a case study
Author(s) -
Herzog Thomas N.,
Scheuren Fritz J.,
Winkler William E.
Publication year - 2010
Publication title -
wiley interdisciplinary reviews: computational statistics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.693
H-Index - 38
eISSN - 1939-0068
pISSN - 1939-5108
DOI - 10.1002/wics.137
Subject(s) - consistency (knowledge bases) , computer science , data quality , quality (philosophy) , record linkage , database , smoothing , linkage (software) , data mining , quality management , records management , operations management , engineering , management system , world wide web , medicine , metric (unit) , philosophy , population , biochemistry , chemistry , environmental health , epistemology , artificial intelligence , computer vision , gene
In this article, after a brief discussion of the role of management in supporting data quality efforts within its organization we describe work carried out to improve the quality of a database of mortgages insured by the Federal Housing Administration (FHA). The techniques used include internal consistency checks and record linkage methods. The end result was that (1) duplicate records were removed from the database, (2) critical data elements were corrected, and (3) property addresses were added to mortgage records that previously lacked such. WIREs Comp Stat 2011 3 12–21 DOI: 10.1002/wics.137 This article is categorized under: Statistical and Graphical Methods of Data Analysis > Data Reduction, Smoothing, and Filtering