Package: mustelus 0.0.0.9000

mustelus: Chondrichthyan Fisheries Biology

Tools for analysing the life history of chondrichthyan fishes (sharks, rays and chimaeras), covering length-weight relationships, length or age at maturity and maternity, fecundity, clasper elongation, and von Bertalanffy growth.

Authors:Alastair Harry [aut, cre]

mustelus_0.0.0.9000.tar.gz
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manual.pdf |manual.html✨
DESCRIPTION
card.svg |card.png
mustelus/json (API)

# Install 'mustelus' in R:
install.packages('mustelus', repos = c('https://alharry.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/alharry/mustelus/issues

Pkgdown/docs site:https://alharry.github.io

Datasets:

On CRAN:

Conda:

4.50 score 7 exports 47 dependencies

Last updated from:2bb86e601b. Checks:9 OK. Indexed: yes.

TargetResultTimeFilesSyslog
linux-develOK162
source / vignettesOK223
linux-releaseOK143
macos-releaseOK124
macos-oldrelOK112
windows-develOK108
windows-releaseOK102
windows-oldrelOK92
wasm-releaseOK109

Exports:clasp_lengthfecunditygrowthgrowth_regionlen_weightmaternitymaturity

Dependencies:clicodetoolscpp11digestdplyrfarverforcatsfurrrfuturegenericsggplot2globalsgluegtableisobandlabelinglatticelifecyclelistenvmagrittrMASSMatrixparallellypillarpkgconfigpurrrR6RColorBrewerRcppRcppEigenrlangrsampleRTMBS7scalessliderstringistringrtibbletidyrtidyselectTMButf8vctrsviridisLitewarpwithr

Growth analysis
Background | Sexual dimorphism | Ageing error | Neonates | Data | Basic usage | Plotting | Comparing growth between sexes | Length at birth | Output structure | References
Rendered fromgrowth.Rmdusingknitr::rmarkdown

Last update: 2026-10-05
Started: 2026-09-24

Mathematical derivations
The von Bertalanffy growth function | The general solution | In terms of $t_0$ | In terms of $L_0$ | Converting between the two forms | Checking the solution | Time to grow half of the remaining distance | References
Rendered fromderivations.Rmdusingknitr::rmarkdown

Last update: 2026-10-05
Started: 2026-10-05

Clasper length analysis
Background | Basic usage | Plotting | Using age as the predictor | Starting values | Comparison with maturity | Output structure
Rendered fromclasp-length.Rmdusingknitr::rmarkdown

Last update: 2026-10-04
Started: 2026-08-25

Fecundity analysis
Background | Non-gravid animals are excluded | Basic usage | Plotting | Using age as the predictor | Output structure | Reference
Rendered fromfecundity.Rmdusingknitr::rmarkdown

Last update: 2026-10-04
Started: 2026-08-23

Length at maternity analysis
Background | The data | Basic usage | Plotting | Fixing the asymptote and testing reproductive periodicity | Comparison with maturity | Using age as the predictor | Sample size | Output structure | References
Rendered frommaternity.Rmdusingknitr::rmarkdown

Last update: 2026-10-04
Started: 2026-09-06

Length at maturity analysis
Basic usage | Grouping by sex | Plotting | Plot styles | Adjusting bin width | Using age as the predictor | Output structure
Rendered frommaturity.Rmdusingknitr::rmarkdown

Last update: 2026-10-04
Started: 2026-08-23

Length-weight analysis
Background | Interpreting the parameters | Bias correction | Basic usage | Grouping by sex | Plotting | Confidence vs prediction intervals | Using other length measurements | Output structure | References
Rendered fromlen-weight.Rmdusingknitr::rmarkdown

Last update: 2026-10-04
Started: 2026-08-22