Two parameters are required in order to fit a Resource Utilization Function
to spatial attribute data using ruf.fit, 1) *spatial range* and 2)
smoothness (theta).  With regard to the spatial range parameter, rho,
Marzluff et al. (2004) state this to be the range of spatial dependence in *
metres*.  Concordingly, Hepinstall, Marzluff et al. (in Resource Selection
Methods & Applications, S. Huzurbazar, ed.) provide an example of an RUF fit
with a spatial range of *250m*.  This being said, in the example of ruf.fit
provided in the ruf package (d412.fit), the estimate (hval[1]) provided is *
0.2*, a seemingly different order of magnitude.

Could someone please explain this discrepancy for the sake of clarity?  This
would be much appreciated!

Tyler

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