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fb4package: 'Fish Bioenergetics 4.0' Model Implementation with High-Performance 'TMB' Backend

An implementation of the 'Fish Bioenergetics 4.0' framework described in Deslauriers et al. (2017) <doi:10.1080/03632415.2017.1377558>. Provides automated parameter optimization, multi-prey diet modeling, and comprehensive energy budget simulations for fisheries research and aquaculture applications. An optional 'TMB' (Template Model Builder) backend delivers 10-50x speedup in maximum likelihood estimation while maintaining full backward compatibility. Includes species-specific parameter databases and tools for modeling fish growth, consumption, and metabolism under varying environmental conditions.

Version: 2.0.0
Depends: R (≥ 4.0.0)
Imports: graphics, grDevices, stats, tools, utils, Rcpp, TMB (≥ 1.7.0)
LinkingTo: TMB, RcppEigen
Suggests: testthat (≥ 3.0.0), knitr, rmarkdown, pkgdown, microbenchmark, future, furrr, spelling
Published: 2026-05-07
DOI: 10.32614/CRAN.package.fb4package
Author: Hans Ttito [aut, cre]
Maintainer: Hans Ttito <kvttitos at gmail.com>
BugReports: https://github.com/HansTtito/fb4package/issues
License: MIT + file LICENSE
URL: https://hansttito.github.io/fb4package/, https://github.com/HansTtito/fb4package
NeedsCompilation: yes
Language: en-US
Citation: fb4package citation info
Materials: README, NEWS
CRAN checks: fb4package results

Documentation:

Reference manual: fb4package.html , fb4package.pdf
Vignettes: Case Study: Chinook Salmon Bioenergetics (source, R code)
Introduction to fb4package (source, R code)
Exploring the Species Parameter Database (source, R code)
Statistical estimation strategies (source, R code)
Temperature Sensitivity and Climate Change Scenarios (source, R code)

Downloads:

Package source: fb4package_2.0.0.tar.gz
Windows binaries: r-devel: fb4package_2.0.0.zip, r-release: fb4package_2.0.0.zip, r-oldrel: fb4package_2.0.0.zip
macOS binaries: r-release (arm64): fb4package_2.0.0.tgz, r-oldrel (arm64): fb4package_2.0.0.tgz, r-release (x86_64): fb4package_2.0.0.tgz, r-oldrel (x86_64): fb4package_2.0.0.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=fb4package to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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