Package: sprex Type: Package Title: Species Richness and Extrapolation Description: 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 Authors@R: c( EA = person("Eric", "Archer", email = "eric.archer@noaa.gov", role = c("aut", "cre"))) URL: https://github.com/EricArcher/sprex BugReports: https://github.com/EricArcher/sprex/issues Depends: R (>= 4.1.0) Imports: ggplot2, stats, swfscMisc (>= 1.4) License: GNU General Public License Encoding: UTF-8 RoxygenNote: 7.3.2 Config/pak/sysreqs: cmake libgdal-dev gdal-bin libgeos-dev libglpk-dev libicu-dev libxml2-dev libssl-dev libproj-dev libsqlite3-dev libudunits2-dev Repository: https://swfsc.r-universe.dev Date/Publication: 2025-03-25 19:25:09 UTC RemoteUrl: https://github.com/swfsc/sprex RemoteRef: HEAD RemoteSha: 247d763a82a8340fc04a9f7ffcdc0b217c22eff9 NeedsCompilation: no Packaged: 2026-07-06 09:36:16 UTC; root Author: Eric Archer [aut, cre] Maintainer: Eric Archer