[R-sig-Geo] Help to interpret optimal bandwidth in ggwr.sel (spgwr package)
manuel.ribeiro at tecnico.ulisboa.pt
Sat Oct 14 12:32:23 CEST 2017
Dear list, i am using spgwr as an exploratory tool in the analysis of
The study area is square, with dimensions 100x100 m.
In one of the results of my analysis, i found an optimal bandwidth
(optimizing the CV score) of 507 m.
And I interpret this bandwidth as a buffer distance where CV is the
However, maximum (Euclidean) distance between any 2 points in the grid
(100x100) is 141,42 m, so I would expect an optimal bandwidth varying
between zero and 141 m. I am missing something in the interpretation of this
result, since the optimal bandwidth is 507 m.
If anyone can help me interpreting this correctly I will be deeply
Manuel C Ribeiro
Cerena - Centro de Recursos Naturais e Ambiente
Instituto Superior Técnico
Av. Rovisco Pais 1049-001 Lisboa Portugal
Tel: (+351) 21 841 74 41
Fax: (+351) 21 841 73 89
[[alternative HTML version deleted]]
More information about the R-sig-Geo