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Error‐sensitive historical GIS: Identifying areal interpolation errors in time‐series data

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Historical GIS has the potential to re-invigorate our use of statistics from historical censuses and related sources. In particular, areal interpolation can be used to create long-run time-series of spatially detailed data that will enable us to enhance significantly our understanding of geographical change over periods of a century or more. The difficulty with areal interpolation, however, is that the data that it generates are estimates which will inevitably contain some error. This paper describes a technique that allows the automated identification of possible errors at the level of the individual data values.

Keywords: Areal interpolation; Census; Error; Historical GIS; Time series

Document Type: Research Article


Affiliations: Centre for Data Digitization and Analysis, School of Geography, Archaeology and Palaeoecology, Queen's University Belfast, Belfast BT7 1NN, UK

Publication date: 2006-02-01

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