N-Mixture Models with Auxiliary Populations and for Large Population Abundances


The key results of this thesis are (1) an extension of N-mixture models to incorporate the additional layer of obfuscation brought by observing counts from a related auxiliary population (rather than the target population), (2) an extension of N-mixture models to allow for grouped counts, the purpose being two-fold: to extend the applicability of N-mixtures to larger population sizes, and to allow for the use of coarse counts in fitting N-mixture models, (3) a new R package allowing the easy application of the new N-mixture models, (4) a new R package allowing for optimization of multi-parameter functions using arbitrary precision arithmetic, which was a necessary tool for optimization of the likelihood in large population abundance N-mixture models, as well as (5) simulation studies validating the new grouped count models and comparing them to the classic N-mixtures models.

In UVic Space, UVic’s Research and Learning Repository

Parker, M. R. P. (2020). N-mixture models with auxiliary populations and for large population abundances [Thesis]. https://dspace.library.uvic.ca//handle/1828/11702

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