Developing local measures of spatial association for categorical data

Barry Boots ()

Journal of Geographical Systems, 2003, vol. 5, issue 2, 139-160

Abstract: This paper describes a procedure for extending local statistics to categorical spatial data. The approach is based on the notion that there are two fundamental characteristics of categorical spatial data; composition and configuration. Further, it is argued that, when considered locally, the latter should be measured conditionally with respect to the former. These ideas are developed for binary, gridded data. Local composition is measured by counting the numbers of cells of a particular type, while local configuration is measured by join counts. The approach is illustrated using a small, empirical data set and an ad hoc procedure is developed to deal with the impact of global spatial autocorrelation on the local statistics. Copyright Springer-Verlag Berlin Heidelberg 2003

Keywords: categorical spatial data; local spatial statistics; spatial autocorrelation; C0; C15; C49 (search for similar items in EconPapers)
Date: 2003
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:kap:jgeosy:v:5:y:2003:i:2:p:139-160

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DOI: 10.1007/s10109-003-0110-3

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