Area-to-point parameter estimation with geographically weighted regression

Daisuke Murakami () and Morito Tsutsumi ()

Journal of Geographical Systems, 2015, vol. 17, issue 3, 207-225

Abstract: The modifiable areal unit problem (MAUP) is a problem by which aggregated units of data influence the results of spatial data analysis. Standard GWR, which ignores aggregation mechanisms, cannot be considered to serve as an efficient countermeasure of MAUP. Accordingly, this study proposes a type of GWR with aggregation mechanisms, termed area-to-point (ATP) GWR herein. ATP GWR, which is closely related to geostatistical approaches, estimates the disaggregate-level local trend parameters by using aggregated variables. We examine the effectiveness of ATP GWR for mitigating MAUP through a simulation study and an empirical study. The simulation study indicates that the method proposed herein is robust to the MAUP when the spatial scales of aggregation are not too global compared with the scale of the underlying spatial variations. The empirical studies demonstrate that the method provides intuitively consistent estimates. Copyright Springer-Verlag Berlin Heidelberg 2015

Keywords: Modifiable areal unit problem; Geographically weighted regression; Change of support problem; Geostatistics; C43; C21; R12 (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:kap:jgeosy:v:17:y:2015:i:3:p:207-225

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DOI: 10.1007/s10109-015-0212-8

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