Dear list,

I have been "handling" the adehabitatHR package quit a lot these last days.
I have few questions regarding this:

-first: regarding the getverticehr() "function". I am actually estimating
activity UDs with the Biased Random Bridges method (from Benhamou 2011). Is
there any way to get the UD's size? Is the function getverticehr() is
working fine for such purpose? And is this function by default giving UD's
size in ha (I think so)?

-second: regarding the kernelUD() method for UDs estimation. I applied this
method to estimate UDs, using the h="href", and later on extracting the h
value from it. So I can re estimate a new UD with the h value (the
extracted one). But I have also been calculating the h value thanks to this
formula: sigma*n^-1/6; which gives me a slightly different h value. So, I
was wondering how exactly the function calculates the h value? Why do I get
a different value (I do the calculation under R and there is no "possible"
error)?
sigma=0.5(sd(x)+sd(y))

Thank you the list

-- 
Dylann Kersusan
Master Biodiversity and Conservation
Zoology dept. Stockholm University

	[[alternative HTML version deleted]]

