|Authors:||Isabella Gollini, Binbin Lu, Martin Charlton, Christopher Brunsdon, Paul Harris|
|Title:||GWmodel: An R Package for Exploring Spatial Heterogeneity Using Geographically Weighted Models|
|Abstract:||Spatial statistics is a growing discipline providing important analytical techniques in a wide range of disciplines in the natural and social sciences. In the R package GWmodel we present techniques from a particular branch of spatial statistics, termed geographically weighted (GW) models. GW models suit situations when data are not described well by some global model, but where there are spatial regions where a suitably localized calibration provides a better description. The approach uses a moving window weighting technique, where localized models are found at target locations. Outputs are mapped to provide a useful exploratory tool into the nature of the data spatial heterogeneity. Currently, GWmodel includes functions for: GW summary statistics, GW principal components analysis, GW regression, and GW discriminant analysis; some of which are provided in basic and robust forms.|
Page views:: 6615. Submitted: 2013-06-02. Published: 2015-02-16.
GWmodel: An R Package for Exploring Spatial Heterogeneity Using Geographically Weighted Models
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