longevity: Statistical Methods for the Analysis of Excess Lifetimes

A collection of parametric and nonparametric methods for the analysis of survival data. Parametric families implemented include Gompertz-Makeham, exponential and generalized Pareto models and extended models. The package includes an implementation of the nonparametric maximum likelihood estimator for arbitrary truncation and censoring pattern based on Turnbull (1976) <doi:10.1111/j.2517-6161.1976.tb01597.x>, along with graphical goodness-of-fit diagnostics. Parametric models for positive random variables and peaks over threshold models based on extreme value theory are described in Rootzén and Zholud (2017) <doi:10.1007/s10687-017-0305-5>; Belzile et al. (2021) <doi:10.1098/rsos.202097> and Belzile et al. (2022) <doi:10.1146/annurev-statistics-040120-025426>.

Version:	1.2.2
Depends:	R (≥ 4.0.0)
Imports:	numDeriv, Rcpp (≥ 1.0.6), rlang, Rsolnp
LinkingTo:	Rcpp, RcppArmadillo
Suggests:	knitr, ggplot2 (≥ 3.0.0), tinytest, rmarkdown
Published:	2025-08-22
DOI:	10.32614/CRAN.package.longevity
Author:	Leo Belzile [aut, cre]
Maintainer:	Leo Belzile <belzilel at gmail.com>
BugReports:	https://github.com/lbelzile/longevity/issues
License:	GPL-3
URL:	https://lbelzile.github.io/longevity/
NeedsCompilation:	yes
Materials:	NEWS
CRAN checks:	longevity results

Documentation:

Reference manual:	longevity.html , longevity.pdf
Vignettes:	Introducing longevity (source, R code) Nonparametric maximum likelihood estimation for survival data (source, R code)

Downloads:

Package source:	longevity_1.2.2.tar.gz
Windows binaries:	r-devel: longevity_1.2.2.zip, r-release: longevity_1.2.2.zip, r-oldrel: longevity_1.2.2.zip
macOS binaries:	r-release (arm64): longevity_1.2.2.tgz, r-oldrel (arm64): longevity_1.2.2.tgz, r-release (x86_64): longevity_1.2.2.tgz, r-oldrel (x86_64): longevity_1.2.2.tgz
Old sources:	longevity archive

Linking:

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