Thanks Clément, well appreciated /Henrik
___________________________ Henrik Lundqvist [email protected] [email protected] 2010/2/12 Clément Calenge <[email protected]> > Hello Henrik, > > Henrik Lundqvist wrote: > >> I got a question regarding the k-NNCH or LoCoH funktion in Adehabitat for >> calculating homeranges. >> The default setting regaring the isopleths are 10% steps as follows: >> c(100,90,80,70,60,50,40,30,20,10) >> Is there a parameter I can change to achieve 5% steps (or other >> configuration)? I can't find it in the arguments of the function. There >> seems to be a possibility to set more intervals in the ArcGIS-plugin at: >> http://nature.berkeley.edu/~alyons/locoh/arcgis9/index.html < >> http://nature.berkeley.edu/%7Ealyons/locoh/arcgis9/index.html> >> >> I guess I have to engage with the code of NNCH.R, but when I try (the >> R-guru that I'm not) I get errors. >> Couldn't it be coded as an argument of the function? Would be neat... >> > > Actually, the function NNCH returns an object of class "NNCH" containing > all possible isopleths that can be built with a given dataset. Then, other > functions are used to "extract" given isopleths. For example, if you want to > compute the home range size for isopleth 95%, you have to set the argument > percent = 95 in the function NNCH.area. Or, if you want the home range sizes > for isopleths 100 to 50% by 5% steps, you have to set: percent = > rev(seq(50,95, by=5)) in the function NNCH.area. Similarly, if you want to > plot the 95% home range, you have to set percent=95 in the function > plot.NNCH. etc. > Have a look at the argument percent on the help pages of plot.NNCH, and > NNCH.area. > Hope this helps, > > Clément Calenge > > -- > Clément CALENGE > Cellule d'appui à l'analyse de données > Office national de la chasse et de la faune sauvage > Saint Benoist - 78610 Auffargis > tel. (33) 01.30.46.54.14 > > _______________________________________________ > AniMov mailing list > [email protected] > http://lists.faunalia.it/cgi-bin/mailman/listinfo/animov >
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