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Exploratory spatial data analysis with GEOXP

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Author Info
Heba, Ines ()
Malin, Eric ()
Thomas-Agnan, Christine ()

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Abstract

GEOX is a computer package of Splus and Matlab routines implementing interactive graphics methods for exploring spatial data. We analyse a large data basis from the regional public health insurance agency concerning physicians'' activity in the Midi-Pyrénées region. We evaluate in particular heterogeneity and outliers in the density of physicians, their prescriptions per patient, salaries, number of visits per patient, etc.. We examine spatial dependencies of the main variables and thus locate spatial clusters. We attempt to explain the patterns of the prescription by some characteristics of the physicians together with the socio-economic characteristics of the counties using a spatial regression model with autocorrelated errors involving a hierarchical structure since these two sets of variables are known at a different level: physician level or county level.

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Publisher Info
Paper provided by European Regional Science Association in its series ERSA conference papers with number ersa02p498.

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Date of creation: Aug 2002
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Handle: RePEc:wiw:wiwrsa:ersa02p498

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  1. Anselin, Luc & Getis, Arthur, 1992. "Spatial Statistical Analysis and Geographic Information Systems," The Annals of Regional Science, Springer, vol. 26(1), pages 19-33, April.
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This page was last updated on 2009-11-13.

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