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Unit 46 - Managing Error

  • Author(s): Unit 46, CC in GIS
  • National Center for Geographic Information and Analysis
  • Editor(s): Goodchild, Michael F.
  • Kemp, Karen K.
  • et al.
Abstract

This unit discusses several aspects of managing error in spatial databases. It begins with a hypothetical example of a routing problem that is used to demonstrate the process of error analysis and sensitivity analysis in a modeling exercise. Sources of artifacts in raster and vector data, and strategies to avoid them, are presented, and methods for storing accuracy information in a database are discussed.

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