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  • A comparison of spatial disaggregation techniques as applied to population estimation for South East Queensland (SEQ), Australia

    Author(s)
    Li, Tiebei
    Pullar, David
    Corcoran, Jonathan
    Stimson, Robert
    Griffith University Author(s)
    Li, Terry
    Year published
    2007
    Metadata
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    Abstract
    The accuracy of spatial disaggregation techniques largely depends on their underlying density assumptions and the quality of the data applied. This paper presents the results of a comparative investigation of four spatial disaggregation methodologies to determine their relative accuracies. These methodologies include binary dasymetric, a regression model, a locally fitted regression model and threeclass dasymetric, each of which provides different solutions for explaining spatially heterogeneous density when population data is spatially disaggregated. In contrast to previous studies, we apply the spatial disaggregation ...
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    The accuracy of spatial disaggregation techniques largely depends on their underlying density assumptions and the quality of the data applied. This paper presents the results of a comparative investigation of four spatial disaggregation methodologies to determine their relative accuracies. These methodologies include binary dasymetric, a regression model, a locally fitted regression model and threeclass dasymetric, each of which provides different solutions for explaining spatially heterogeneous density when population data is spatially disaggregated. In contrast to previous studies, we apply the spatial disaggregation techniques to a comparably larger and more varied geographical area which allows the spatial disaggregation techniques to be more rigorously tested. Results indicate that the three-class dasymetric technique generates higher levels of accuracy compared to the other spatial disaggregation techniques and this result is more conclusive than previous findings.
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    Journal Title
    Applied GIS
    Volume
    3
    Issue
    9
    Publisher URI
    http://appliedgis.net/
    http://appliedgis.net/abstract/a-comparison-of-spatial-disaggregtion-techniques-as-applied-to-population-estimation-for-south-east-queensland-seq-australia
    Subject
    Urban and Regional Studies (excl. Planning)
    Physical Geography and Environmental Geoscience
    Geomatic Engineering
    Human Geography
    Publication URI
    http://hdl.handle.net/10072/57932
    Collection
    • Journal articles

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