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ypr: Yield Per Recruit

An implementation of equilibrium-based yield per recruit methods. Yield per recruit methods can used to estimate the optimal yield for a fish population as described by Walters and Martell (2004) <isbn:0-691-11544-3>. The yield can be based on the number of fish caught (or harvested) or biomass caught for all fish or just large (trophy) individuals.

Version: 0.6.0
Depends: R (≥ 3.6)
Imports: chk, ggplot2, graphics, lifecycle, purrr, stats, tibble, tidyplus, tools, yesno
Suggests: covr, knitr, readr, rmarkdown, rstudioapi, scales, testthat (≥ 3.0.0), tidyr, usethis, withr
Published: 2022-08-29
DOI: 10.32614/CRAN.package.ypr
Author: Joe Thorley ORCID iD [aut, cre], Ayla Pearson ORCID iD [ctb], Poisson Consulting [cph, fnd]
Maintainer: Joe Thorley <joe at poissonconsulting.ca>
BugReports: https://github.com/poissonconsulting/ypr/issues
License: MIT + file LICENSE
URL: https://github.com/poissonconsulting/ypr
NeedsCompilation: no
Language: en-US
Materials: README NEWS
CRAN checks: ypr results

Documentation:

Reference manual: ypr.pdf
Vignettes: Ecotypes
Get Started with ypr

Downloads:

Package source: ypr_0.6.0.tar.gz
Windows binaries: r-devel: ypr_0.6.0.zip, r-release: ypr_0.6.0.zip, r-oldrel: ypr_0.6.0.zip
macOS binaries: r-release (arm64): ypr_0.6.0.tgz, r-oldrel (arm64): ypr_0.6.0.tgz, r-release (x86_64): ypr_0.6.0.tgz, r-oldrel (x86_64): ypr_0.6.0.tgz
Old sources: ypr archive

Linking:

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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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