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sprex

Species Richness and Extrapolation

v1.4.3 · Jun 10, 2025 · GNU General Public License

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.

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CRAN Check Status

14 OK
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r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Dependency Network

Dependencies Reverse dependencies ggplot2 swfscMisc sprex

Version History

new 1.4.3 Mar 10, 2026
updated 1.4.3 ← 1.4.2 diff Jun 9, 2025
updated 1.4.2 ← 1.4.1 diff Mar 24, 2025
updated 1.4.1 ← 1.4 diff Apr 15, 2016
updated 1.4 ← 1.1 diff Apr 10, 2016
updated 1.1 ← 1.0 diff Apr 17, 2015
new 1.0 Feb 24, 2015