Implementation of No-Effect-Concentration estimation that uses 'brms' (see Burkner (2017)<doi:10.18637/jss.v080.i01>; Burkner (2018)<doi:10.32614/RJ-2018-017>; Carpenter 'et al.' (2017)<doi:10.18637/jss.v076.i01> to fit concentration(dose)-response data using Bayesian methods for the purpose of estimating 'ECx' values, but more particularly 'NEC' (see Fox (2010)<doi:10.1016/j.ecoenv.2009.09.012>), 'NSEC' (see Fisher and Fox (2023)<doi:10.1002/etc.5610>), and 'N(S)EC (see Fisher et al. 2023<doi:10.1002/ieam.4809>). A full description of this package can be found in Fisher 'et al.' (2024)<doi:10.18637/jss.v110.i05>. This package expands and supersedes an original version implemented in 'R2jags' (see Su and Yajima (2020)<https://CRAN.R-project.org/package=R2jags>; Fisher et al. (2020)<doi:10.5281/ZENODO.3966864>).
| Version: | 2.1.3.1 | 
| Depends: | R (≥ 4.1), brms, ggplot2 | 
| Imports: | formula.tools, loo, dplyr, tidyr, purrr, tibble, tidyselect, evaluate, rlang, chk (≥ 0.7.0) | 
| Suggests: | rstan, knitr, rmarkdown, testthat (≥ 3.0.0) | 
| Published: | 2025-08-19 | 
| DOI: | 10.32614/CRAN.package.bayesnec | 
| Author: | Rebecca Fisher | 
| Maintainer: | Rebecca Fisher <r.fisher at aims.gov.au> | 
| BugReports: | https://github.com/open-aims/bayesnec/issues | 
| License: | GPL-2 | 
| URL: | https://open-aims.github.io/bayesnec/ | 
| NeedsCompilation: | no | 
| Citation: | bayesnec citation info | 
| Materials: | README, NEWS | 
| In views: | Pharmacokinetics | 
| CRAN checks: | bayesnec results | 
| Reference manual: | bayesnec.html , bayesnec.pdf | 
| Vignettes: | Single model usage (source) Multi model usage (source) Model details (source) Priors (source) Comparing posterior predictions (source) Running 'bayesnec' (source) | 
| Package source: | bayesnec_2.1.3.1.tar.gz | 
| Windows binaries: | r-devel: bayesnec_2.1.3.1.zip, r-release: bayesnec_2.1.3.1.zip, r-oldrel: bayesnec_2.1.3.1.zip | 
| macOS binaries: | r-release (arm64): bayesnec_2.1.3.1.tgz, r-oldrel (arm64): bayesnec_2.1.3.1.tgz, r-release (x86_64): bayesnec_2.1.3.1.tgz, r-oldrel (x86_64): bayesnec_2.1.3.1.tgz | 
| Old sources: | bayesnec archive | 
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