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extr: Extinction Risk Estimation

Estimates extinction risk from population time series under a drifted Wiener process using MLE and observation-error-and-autocovariance-robust estimators, with confidence intervals based on the w-z method.

Version: 1.1.0
Published: 2026-03-17
DOI: 10.32614/CRAN.package.extr
Author: Hiroshi Hakoyama ORCID iD [aut, cre, cph]
Maintainer: Hiroshi Hakoyama <hiroshi.hakoyama at gmail.com>
License: BSD_2_clause + file LICENSE
NeedsCompilation: no
Language: en-US
Citation: extr citation info
Materials: README, NEWS
CRAN checks: extr results

Documentation:

Reference manual: extr.html , extr.pdf

Downloads:

Package source: extr_1.1.0.tar.gz
Windows binaries: r-devel: extr_1.1.0.zip, r-release: extr_1.1.0.zip, r-oldrel: extr_1.1.0.zip
macOS binaries: r-release (arm64): extr_1.1.0.tgz, r-oldrel (arm64): extr_1.1.0.tgz, r-release (x86_64): extr_1.1.0.tgz, r-oldrel (x86_64): extr_1.1.0.tgz
Old sources: extr archive

Linking:

Please use the canonical form https://CRAN.R-project.org/package=extr to link to this page.

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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