[AniMov] location data format for adehabitat package

Clement Calenge clement.calenge at oncfs.gouv.fr
Mon Oct 31 11:14:01 CET 2011

Dear Christian,

> I would like to perform some ecological niche factor analysis (ENFA) using
> the adehabitat package and am not too sure about the location data.
> Basically I have them as longitudes and latitudes at the moment but I could
> also generate then as 'tile index' (e.g. lower left corner has the latitude
> -90 and longitude -180 so the 'tile index' would be 0, 0 - right?). Which is
> the correct location data format?

The location data should be in the same coordinate system as the maps. 
Therefore, the locations should be expressed as longitude/latitudes.

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)

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