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: | 1.4.3 | 
| Depends: | R (≥ 4.1.0) | 
| Imports: | ggplot2, stats, swfscMisc (≥ 1.4) | 
| Published: | 2025-06-10 | 
| DOI: | 10.32614/CRAN.package.sprex | 
| Author: | Eric Archer [aut, cre] | 
| Maintainer: | Eric Archer <eric.ivan.archer at gmail.com> | 
| BugReports: | https://github.com/SWFSC/sprex/issues | 
| License: | GPL-2 | GPL-3 [expanded from: GNU General Public License] | 
| URL: | https://github.com/SWFSC/sprex | 
| NeedsCompilation: | no | 
| Materials: | README | 
| CRAN checks: | sprex results | 
| Reference manual: | sprex.html , sprex.pdf | 
| Package source: | sprex_1.4.3.tar.gz | 
| Windows binaries: | r-devel: sprex_1.4.3.zip, r-release: sprex_1.4.3.zip, r-oldrel: sprex_1.4.3.zip | 
| macOS binaries: | r-release (arm64): sprex_1.4.3.tgz, r-oldrel (arm64): sprex_1.4.3.tgz, r-release (x86_64): sprex_1.4.3.tgz, r-oldrel (x86_64): sprex_1.4.3.tgz | 
| Old sources: | sprex archive | 
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