Methods for evaluating and creating data quality

  • Authors:
  • William E. Winkler

  • Affiliations:
  • US Bureau of the Census, Statistical Research, Room 3000-4, Washington DC

  • Venue:
  • Information Systems - Special issue: Data quality in cooperative information systems
  • Year:
  • 2004

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Abstract

This paper provides a survey of two classes of methods that can be used in determining and improving the quality of individual files or groups of files. The first are edit/imputation methods for maintaining business rules and for imputing for missing data. The second are methods of data cleaning for finding duplicates within files or across files.