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Bayesian concentration-response modelling using jagsNEC

Created 24/06/2025

Updated 24/06/2025

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This project used a suite of modern statistical methods to build robust tools for deriving probabilistic management thresholds from ecotoxicological data for use in water quality assessment and environmental risk assessment. This record documents the R packages developed under the project which proposed statistical solutions to account for uncertainty and appropriate methods for dealing with small samples:

bayesnec is a No-Effect-Concentration estimation package that uses brms to fit concentration(dose)-response data using Bayesian methods for the purpose of estimating both ECX values, but more particularly NEC.

the jagsNEC is an R package to fit concentration(dose) - response curves to toxicity data, and derive No-Effect-Concentration (NEC), No-Significant-Effect-Concentration (NSEC), and Effect-Concentration (of specified percentage ‘x’, ECx) thresholds from non-linear models fitted using Bayesian MCMC fitting methods via the R2jags package and jags.

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Additional Info

Field Value
Title Bayesian concentration-response modelling using jagsNEC
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/00643fbd-1693-46d5-a497-a5f81e4fdb4b
Contact Point
Australian Ocean Data Network
reception@aims.gov.au
Reference Period 25/08/2022
Geospatial Coverage
Map data © OpenStreetMap contributors
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Data Portal Data.gov.au