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Data quality: a case study

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Abstract 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

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Statistical and Graphical Methods of Data Analysis > Data Reduction, Smoothing, and Filtering

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