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EDE  

Extinction Date Estimation from Sighting Records
View on CRAN: Click here


Download and install EDE package within the R console
Install from CRAN:
install.packages("EDE")

Install from Github:
library("remotes")
install_github("cran/EDE")

Install by package version:
library("remotes")
install_version("EDE", "0.2.0")



Attach the package and use:
library("EDE")
Maintained by
Rodrigo Fonseca Villa
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2026-08-07
Latest Update: 2026-08-07
Description:
Estimates the historic date of extinction of a species from a time-ordered record of sighting events. Given a table of sighting counts per year, computes extinction date estimators from the sighting-record literature: optimal linear estimation under a record-value model (Roberts & Solow, 2003), nonparametric and sighting-effort-weighted persistence tests (Solow, 1993; Solow, 2005), a sighting-rate persistence test comparable across records with different observation periods (McInerny, Roberts, Davy & Cribb, 2006), a classical confidence interval on the end of a temporal range (Strauss & Sadler, 1989), a truncation-point extrapolation (Robson & Whitlock, 1964), and a combinatorial persistence test based on inclusion-exclusion over sighting-gap occupancy (Burgman, Grimson & Ferson, 1995). Every estimator is built on a single validated input object and returns a common result class with, where defined, a point estimate, a confidence interval, or a full persistence-probability curve.
How to cite:
Rodrigo Fonseca Villa (2026). EDE: Extinction Date Estimation from Sighting Records. R package version 0.2.0, https://cran.r-project.org/web/packages/EDE. Accessed 24 Oct. 2026.
Previous versions and publish date:
0.1.0 (2026-08-07 18:00), (2026-09-21 12:11)
Other packages that cited EDE R package
View EDE citation profile
Other R packages that EDE depends, imports, suggests or enhances
Complete documentation for EDE
Functions, R codes and Examples using the EDE R package
Full EDE package functions and examples
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