CRAN requires the check problems on this package to be fixed before 2026-08-02 or it will be archived.

survival

3.8-9

Survival Analysis

1,131packages depend

1.7Mdownloads / year

67.2%test coverage

8/13checks pass

Overview

About

Maintained by Terry M TherneauFirst published 2001-06-22109 releasesCRAN page ↗GitHub ↗

Contains the core survival analysis routines, including definition of Surv objects, Kaplan-Meier and Aalen-Johansen (multi-state) curves, Cox models, and parametric accelerated failure time models.

Install

R (CRAN)pak (dev)Ubuntu (r2u)openSUSE (OBS)

install.packages("survival", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("therneau/survival")

Development version from therneau/survival. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-survival

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled.

bspm (used by r2u) also needs make: sudo apt install make

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-survival

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed).

Health

CRAN checks

5NOTE8OK

Failing flavors

NOTE r-devel-linux-x86_64-debian-clang
NOTE r-devel-linux-x86_64-debian-gcc
NOTE r-devel-linux-x86_64-fedora-clang
NOTE r-devel-linux-x86_64-fedora-gcc
NOTE r-devel-windows-x86_64

Slowest check: 18.1 min · r-devel-linux-x86_64-fedora-clang

Check history

NOTE2026-07-11
12 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-07-04
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
NOTE2026-07-03
12 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-04-25
12 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
NOTE2026-03-10
11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

Documentation signals are not tracked yet for this package.

Downloads

1.7M

CRAN downloads in the past year

Rank #265 · ~4.6K/day · ~139.3K/mo

survival Releases R versions

Daily download trend is not available in this view yet.

193.1K30 days

497.4K90 days

1.7M1 year

Compare downloads with other packages →

Also on55.1K r2u7.3K autocran588K conda_forge356 c2d4u

Repository

GitHub ↗ therneau/survival

443Stars

111Forks

26Open issues

8Open PRs

0Releases

1,540Commits

12Contributors

1,540 commits · Last activity 2026-07-11 · +0.9% stars, 30d

Repository practices

Upstream repositoryBeta

Checks run against github.com/therneau/survival on 2026-07-19.

No development-tooling practices detected in the upstream repository.

How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies

0 external dependencies (excludes base and recommended)

Depends (1)

R >= 4.1.0

Imports (6)

graphicsMatrixmethodssplinesstatsutils

LinkingTo (0)

none

Suggests (0)

none

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

1,131direct

2,636indirect

and 1,083 more packages.

Code & Tests

Datasets

People & History

People (4)

Maintainer (1)

Terry M Therneau

Author, Maintainer

Authors (1)

Terry M Therneau

Author, Maintainer

Contributors (3)

Crowson Cynthia

Contributor · added in 3.1-11

Atkinson Elizabeth

Contributor · added in 3.1-11

Thomas Lumley

Contributor, Translator · added in 2.37-7

Translators (1)

Thomas Lumley

Contributor, Translator · added in 2.37-7

Listed in earlier versions (6)

ported by Thomas Lumley

no longer listed · 2.6 to 2.34-1

S original by Terry Therneau

no longer listed · 2.6 to 2.34-1

original R port by Thomas Lumley

no longer listed · 2.35-2 to 2.35-8

Terry Therneau

no longer listed · 2.35-2 to 2.36-14

original Splus->R port by Thomas Lumley

no longer listed · 2.36-1 to 2.36-14

Terry M

no longer listed · 2.37-2 to 3.8-9

Package Timeline

109 releases. R releases are shown for context.

3.8-9Latest
2026-07-08 · current release · diff ↗
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R 4.6.0 released · 2026-04-24
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R 1.5.0 released · 2002-04-29
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2.6
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Package metadata

First published: 2001-06-22
Total releases: 109 / 25 yrs
License: LGPL (>= 2) OSI
Download size: 9.1 MB
Installed size: not tracked yet
With dependencies: not tracked yet

Appears in task views

Clinical Trial Design, Monitoring, Analysis and Reporting Econometrics Survival Analysis

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