[R-sig-Geo] Intensity Estimation Methods

[Rolf Turner]

On 15/12/17 01:01, Cenk İÇÖZ via R-sig-Geo wrote:
> Hello list,,
> 
> I have a spatial point pattern . I am trying to estimate its
> intensity both with a fixed bandwidth and  with an adaptive
> bandwidth. How could I compare the goodness of these two fits? I mean
> are there any things like mse, aic or any other criteria??? I want to
> compare the difference between the estimated intensity and the
> original pattern's intensity.

I think that the following fortune (fortunes::fortune(340)) might be 
relevant:

> Bandwidth selection is an unresolved (and possibly unsolvable) problem in
> smoothing, so you're perfectly justified in trying/choosing an arbitrary value
> if it produces good pictures!
>    -- Adrian Baddeley (answering a user's question about the choice of
>       smoothing parameter when using the density.ppp() function from the
>       spatstat package)
>       private communication (March 2013)

I am cc-ing to the man himself to see if he has further comment.

cheers,

Rolf Turner

-- 
Technical Editor ANZJS
Department of Statistics
University of Auckland
Phone: +64-9-373-7599 ext. 88276