[R-sig-Geo] Getis Ord G test in 3 dimensions
Juanma José
jmjosedominguez at yahoo.es
Wed Mar 15 18:43:58 CET 2017
> Dear all
> I am working on a 3D home range estimator, we want to calculated home ranges and core areas on primates that were followed sleeping site to sleeping site. We collected GPS locations and animals height at equal intervals along the day.
> We already calculates home ranges and core area in 2D using Delaunay triangulation and then applying a hot spot analysis in ArcGis( Getis Ord G*) using the perimeter of the triangles. Then, to calculate it on 3D we first created a 3D convex hull formed by tetrahedrons using animals locations (coordinates in meters) and height.
> we are wondering if it is possible to use the function Local G or Global G test (package Spdep) for 3D locatios (X,Y,Z) as we previously did in 2D (Hotspot with rendering, ArgGis)
Thanks in advance
>
>
> Juanma
Juan Manuel José Domínguez
Postdoctoral Researcher
Conservation Ecology Program
School of Bioresources & Technology
King Mongkut´s University of Technology Thonburi
49 Soi Tienthalay 25
Bangkhuntien-Chaithalay Road
Thakham, Bangkhuntien
Bangkok 10150
Thailand
http://cons-ecol-kmutt.weebly.com/
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