[R-sig-Geo] filtering successive locations for kernelbb in adehabitat

[Mathieu Basille]

What about using a burst structure, with one burst for each period of
successive relocations? Use then the parameter 'byburst = TRUE' in the
kernelbb function.

You might want to have a look at 'cutltraj' to define the different
bursts, with a function that checks the time interval.

Hope this helps,
Mathieu.


Le 2011-01-31 17:19, Duff, Andrew A (DFW) a écrit :
> Hi Group,
> 
>  
> 
> What is the best way to remove non-successive locations from the
> kernelbb (Brownian Bridge Movement Model Home Range) calculations in
> adehabitat?  For example I am working with Raptor data where there is a
> period when transmitters are shut off so that the batteries can
> recharge.  I want to remove those locations from the calculations. In
> Animal Space Use there is an input for the maximum time between
> successive locations.  Any ideas on how can I implement this in
> adehabitat?
> 
>  
> 
> Thanks,
> 
>  
> 
> Andy
> 
>  
> 
>  
> 
> 
> 	[[alternative HTML version deleted]]
> 
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Mathieu Basille, Post-Doc

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Laboratoire d'Écologie Comportementale et de Conservation de la Faune
+ Centre d'Étude de la Forêt
Département de Biologie
Université Laval, Québec

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