Abstract #300132

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JSM 2002 Abstract #300132
Activity Number: 132
Type: Invited
Date/Time: Monday, August 12, 2002 : 2:00 PM to 3:50 PM
Sponsor: The International Environmetrics Society
Abstract - #300132
Title: Home Range Estimation from Correlated Biotelemetric Data, using Kernel Density Estimators
Author(s): Jeanette O'Hara-Hines*+ and W.G.S. Hines and Bruce Pond and Martyn Obbard
Affiliation(s): University of Waterloo and University of Guelph and Ministry of Natural Resources and Ministry of Natural Resources
Address: , Waterloo, Ontario, N2L 3G1 , Canada
Keywords: multi-dimensional kernels ; Swihart and Slade procedures ; efficiencies with correlated data ; non-uniformly spaced data ; heterogeneous terrain ; data-decimation
Abstract:

Real location data for radio-tagged animals is frequently somewhat messy--somewhat redundant, irregularly timed, possessing trends over time, and occurring on mapped terrains with features that should be incorporated to some degree at least. Important characteristics such as the amount of variability, the correlation parameters, and even the correlation structure may well be known only to rough approximations. This paper considers an adaptation of the kernel density estimator which allows for these various complications and which works well in the absence of exact (or precise) information about correlation structure and parameters. Modifications to allow for irregularly timed observations, non-stationarity, and heterogeneous environments are also discussed and illustrated.

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