[GRASS5] [bug #2637] (grass) (better) implementation of Spatial Models

Request Tracker grass-bugs at intevation.de
Mon Sep 27 07:53:26 EDT 2004

this bug's URL: http://intevation.de/rt/webrt?serial_num=2637

Subject: (better) implementation of Spatial Models

Platform: GNU/Linux/i386 
grass obtained from: Trento Italy site 
grass binary for platform: Compiled from Sources 
It would be great if spatial prediction models like Environmental Envelope,  
ANN, Generalized Additive Models (GAM), Tree etc. would be implemented in GRASS and  
could be used straight forward using a bunch of commands.   
At the moment a few can be used e.g. GRASP (GAM) via R but this approach is quite  
cumbersome. (http://www.cscf.ch/grasp/)  
More infos concerning the different models can be found in these papers (pdf download at  
Guisan, A. & Zimmermann, N.E. 2000. Predictive habitat distribution models in ecology.  
Ecol. Modelling 135(2-3): 147-186.   
Guisan, A., Edwards, T.C. and Hastie, T. 2002. Generalized linear and generalized additive  
models in studies of species distributions: setting the scene. Ecol. Modelling 157(2-3):  
thanks Martin  

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