[R-sig-eco] kernelUD non-square grid cells

Clement Calenge clement.calenge at oncfs.gouv.fr
Sat Mar 31 10:59:11 CEST 2012


Dear Sebastian,

> In ?kernelUD, the "grid" argument is described as:
>
> ---<--------------------cut here---------------start------------------->---
>      grid: a number giving the size of the grid on which the UD should
>            be estimated.  Alternatively, this parameter may be an object
>            inheriting the class ‘SpatialPixels’.  For the function
>            ‘kernelUD’, it may in addition be a list of objects of class
>            ‘SpatialPixels’, with named elements corresponding to each
>            level of the factor id.
> ---<--------------------cut here---------------end--------------------->---
>
> I'm not sure what is meant by the "size of the grid".  Is this the
> number of cells in the output grid, and then cell dimensions are
> calculated accordingly?

Yes, it is the number of cells in the output grid,
Best regards,

Clément Calenge
-- 

Clément CALENGE
Cellule d'appui à l'analyse de données
Direction des Etudes et de la Recherche
Office national de la chasse et de la faune sauvage
Saint Benoist - 78610 Auffargis
tel. (33) 01.30.46.54.14



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