Estimating migration proportions from discretely observed continuous diffusion processes

Details Estimating migration proportions from discretely observed continuous diffusion processes Estimating migration proportions from discretely observed continuous diffusion processes

2009-09-08

arxiv.org/abs/0909.1527v1

Statistics

Methodology

25 pages, 5 figures

Scientific paper

We model two time and space scales discrete observations by using a unique continuous diffusion process with time dependent coefficient. We define new parameters for the large scale model as functions of the small scale distribution cumulants. We use the non - uniform distribution of the observation time intervals to obtain consistent and unbiased estimators for these parameters. Closed form expressions for migration proportions between spatial domains are derived as functions of these parameters. The models are applied to estimate migration patterns from satellite tag data.

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