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Using likelihood to test for Lévy flight search patterns and for general power-law distributions in nature
1Pacific Biological Station, Fisheries and Oceans Canada, British Columbia, Canada. andrew.edwards@dfo-mpo.gc.ca
Abstract:
1. Ecologists are obtaining ever-increasing amounts of data concerning animal movement. A movement strategy that has been concluded for a broad variety of animals is that of Lévy flights, which are random walks whose step lengths come from probability distributions with heavy power-law tails. 2. The exponent that parameterizes the power-law tail, denoted micro, has repeatedly been found to be within the Lévy range of 1 < micro
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