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sprex: Species Richness and Extrapolation

Functions for calculating species richness for rarefaction and extrapolation, primarily non-parametric species richness such as jackknife, Chao1, and ACE. Also available are functions for plotting species richness and extrapolation curves, and computing standard diversity and entropy indices.

Version: 1.4.2
Depends: R (≥ 4.1.0)
Imports: ggplot2, stats, swfscMisc (≥ 1.4)
Published: 2025-03-25
DOI: 10.32614/CRAN.package.sprex
Author: Eric Archer [aut, cre]
Maintainer: Eric Archer <eric.archer at noaa.gov>
BugReports: https://github.com/EricArcher/sprex/issues
License: GPL-2 | GPL-3 [expanded from: GNU General Public License]
URL: https://github.com/EricArcher/sprex
NeedsCompilation: no
Materials: README
CRAN checks: sprex results

Documentation:

Reference manual: sprex.pdf

Downloads:

Package source: sprex_1.4.2.tar.gz
Windows binaries: r-devel: sprex_1.4.2.zip, r-release: sprex_1.4.2.zip, r-oldrel: sprex_1.4.2.zip
macOS binaries: r-devel (arm64): sprex_1.4.2.tgz, r-release (arm64): sprex_1.4.2.tgz, r-oldrel (arm64): sprex_1.4.2.tgz, r-devel (x86_64): sprex_1.4.2.tgz, r-release (x86_64): sprex_1.4.2.tgz, r-oldrel (x86_64): sprex_1.4.2.tgz
Old sources: sprex 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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