[R-sig-Geo] ggwr object from ggwr, p-values.Se values?

Roger Bivand Roger.Bivand at nhh.no
Wed Feb 13 09:53:19 CET 2013


On Tue, 12 Feb 2013, Roosbeh Nowrouzian wrote:

> Dear List members:
>
> I estimated a GGWR object(quasi Poisson). But I cant find corresponding
> p-value or Standard error values for estimated coefficients. Is there any
> way to pull those values out. To infer which one is significant which one
> is not.

Please always state which package(s) you have used, and which versions - 
that is the output of sessionInfo(). Assuming that you may mean ggwr() in 
spgwr, these are not provided as there is no established way of knowing 
what the effective degrees of freedom are.

In general, unless you are basing your understanding of GWR on Paez et al. 
2011, your work should be desk rejected by any reputable journal, so 
asking whether the GWR coefficients are significant is an unusual 
question, because nobody knows what significance means in this context.

Roger

> I appreciate your help.
>
> Roosbeh Nowrouzian
>
> PhD student
> University of Florida
>
> 	[[alternative HTML version deleted]]
>
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-- 
Roger Bivand
Department of Economics, NHH Norwegian School of Economics,
Helleveien 30, N-5045 Bergen, Norway.
voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no



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