Search Results for author: Théo Michelot

Found 4 papers, 3 papers with code

Understanding step selection analysis through numerical integration

no code implementations30 Aug 2023 Théo Michelot, Natasha J. Klappstein, Jonathan R. Potts, John Fieberg

In this review, we explicitly distinguish between model formulation and inference technique, presenting a coherent framework to fit SSFs based on numerical integration and maximum likelihood estimation.

Numerical Integration

Varying-coefficient stochastic differential equations with applications in ecology

1 code implementation20 Aug 2020 Théo Michelot, Richard Glennie, Catriona Harris, Len Thomas

Stochastic differential equations (SDEs) are popular tools to analyse time series data in many areas, such as mathematical finance, physics, and biology.

Methodology

The Langevin diffusion as a continuous-time model of animal movement and habitat selection

1 code implementation24 Oct 2018 Théo Michelot, Marie-Pierre Etienne, Pierre Gloaguen

Standard approximation techniques can be used to derive the pseudo-likelihood of the Langevin diffusion movement model, and to estimate habitat preference and movement parameters from tracking data.

Applications Methodology

Linking resource selection and step selection models for habitat preferences in animals

1 code implementation28 Aug 2017 Théo Michelot, Paul G. Blackwell, Jason Matthiopoulos

We illustrate our method with simulations on a known utilisation distribution, and show theoretically and empirically that locations simulated from the local Gibbs sampler arise from the correct resource selection function.

Quantitative Methods Populations and Evolution

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