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Keywords:

  • data quality;
  • duplicate records;
  • Federal Housing Administration;
  • internal consistency checks;
  • record linkage

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

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