Includes a collection of functions presented in "Measuring stability in ecological systems without static equilibria" by Clark et al. (2022) <doi:10.1002/ecs2.4328> in Ecosphere. These can be used to estimate the parameters of a stochastic state space model (i.e. a model where a time series is observed with error). The goal of this package is to estimate the variability around a deterministic process, both in terms of observation error  i.e. variability due to imperfect observations that does not influence system state  and in terms of process noise  i.e. stochastic variation in the actual state of the process. Unlike classical methods for estimating variability, this package does not necessarily assume that the deterministic state is fixed (i.e. a fixedpoint equilibrium), meaning that variability around a dynamic trajectory can be estimated (e.g. stochastic fluctuations during predatorprey dynamics).
Package details 


Author  Adam Clark [aut, cre] (<https://orcid.org/0000000288433278>) 
Maintainer  Adam Clark <adam.tclark@gmail.com> 
License  GPL3 
Version  1.4 
Package repository  View on CRAN 
Installation 
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