[R-sig-Geo] Recovering GWR Predicted Values from GGWR function

[Dexter Locke]

Hi list,

Is there an in print citation to attribute this idea to "The aim of spgwr
has always been to explore the weaknesses of GWR as a technique, not to
help people use it"?

Or should I use something like "(R. Bivand, personal communication)"?

Thanks and happy R coding,
Dexter

On Wed, May 20, 2015 at 2:27 PM, Roger Bivand <Roger.Bivand at nhh.no> wrote:

> On Wed, 20 May 2015, Brown, Jason wrote:
>
>  Hello,
>>
>> I'm estimating a Poisson GWR using the ggwr function.  I would like to
>> recover the predicted values implied by the gwr model.  However, thus far
>> I've only been able to recover the fitted values from the global model
>> using $lm$fitted.values.  These obviously are the same values I get from a
>> standard Poisson model. Is it possible to get the gwr predicted values
>> instead?
>>
>
> No, they are not provided. They would only be available if the data points
> and the fit points were identical, or if newdata was available (and was
> admitted by the function, which it is not). The aim of spgwr has always
> been to explore the weaknesses of GWR as a technique, not to help people
> use it, so no provision for GLM-GWR predictions is likely to be forthcoming
> here (there are no coefficient standard errors either).
>
> Hope this clarifies,
>
> Roger
>
>
>> Thank you,
>> Jason
>>
>>
>>
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>>
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>>
> --
> Roger Bivand
> Department of Economics, Norwegian School of Economics,
> Helleveien 30, N-5045 Bergen, Norway.
> voice: +47 55 95 93 55; fax +47 55 95 91 00
> e-mail: Roger.Bivand at nhh.no
>
>
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