rms | R Observatory

Overview

About

Maintained by Frank E Harrell JrFirst published 2009-09-0867 releasesCRAN page ↗GitHub ↗

Regression modeling, testing, estimation, validation, graphics, prediction, and typesetting by storing enhanced model design attributes in the fit. 'rms' is a collection of functions that assist with and streamline modeling. It also contains functions for binary and ordinal logistic regression models, ordinal models for continuous Y with a variety of distribution families, and the Buckley-James multiple regression model for right-censored responses, and implements penalized maximum likelihood estimation for logistic and ordinary linear models. 'rms' works with almost any regression model, but it was especially written to work with binary or ordinal regression models, Cox regression, accelerated failure time models, ordinary linear models, the Buckley-James model, generalized least squares for serially or spatially correlated observations, generalized linear models, and quantile regression.

Install

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

install.packages("rms", 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("harrelfe/rms")

Development version from harrelfe/rms. 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-rms

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

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-rms

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# 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-rms

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

Health

CRAN checks

13OK

Slowest check: 9.5 min · r-devel-linux-x86_64-fedora-clang

Code health

None

Tests · ratio 0.00

not tracked

Coverage

99%

Documentation · exports

20

Dependencies · direct

Check history

OK2026-06-09
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-06-08
12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 80 wordsVignettesNopkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 69%
Documented parameters: 82%
Return-value docs: 92%
References docs: 27%

Downloads

426.6K

CRAN downloads in the past year

Rank #608 · ~1.2K/day · ~35.5K/mo

Releases R versions

Daily download trend is not available in this view yet.

35.5K30 days

110.9K90 days

426.6K1 year

Compare downloads with other packages →

Also on8.9K r2u102 autocran12.7K conda_forge103 c2d4u

Repository

GitHub ↗ harrelfe/rms

197Stars

54Forks

61Open issues

2Open PRs

0Releases

930Commits

23Contributors

930 commits · Last activity 2026-07-21 · +0.5% stars, 30d

Stars over time

2025-07-11 · 1852026-07-07 · 197

Repository practices

Upstream repositoryBeta

1 development-tooling and community-health practice detected across 1 family in the upstream repository

Checks run against github.com/harrelfe/rms on 2026-07-19.

Git structural (1)

.gitattributes

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

Dependencies

Declared dependencies

18 external dependencies (excludes base and recommended)

Depends (2)

R >= 4.4.0Hmisc

Imports (19)

methodssurvivalquantreg ggplot2MatrixSparseMrpartnlmepolspline multcomp htmlTable htmltoolsMASSclusterdigest colorspace knitrgrDevicesscales

LinkingTo (0)

none

Suggests (10)

boottcltkplotly mice icenReg rmsbnnetVGAMlatticekableExtra

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

104direct

59indirect

and 56 more packages.

Code & Tests

Code Composition

R 26,599 (60%)Rd 16,552 (37%)Fortran 1,268 (3%)C 27 (0%)

Code characteristics

Object systems

S3155

Cyclomatic complexity: 10.0 median / 90 max

Test coverage

Line coverage

–

Expression

–

Tests / Examples

–

Functions

64 21 exported

Complexity

16.7 avg / 90 max

Call network

64 nodes / 26 edges

Call graph

Open call graph →

Loading call graph…

Lowest coverage

Per-function coverage is not measured for this package yet.

People & History

People (1)

Maintainer (1)

Frank E Harrell Jr

Author, Maintainer

Authors (1)

Frank E Harrell Jr

Author, Maintainer

Listed in earlier versions (1)

Harrell Jr

no longer listed · 6.8-2 to 8.1-1

Package Timeline

67 releases. Pick two to compare their code metrics. R releases are shown for context.

R
R 4.6.0 released · 2026-04-24
8.1-1Latest
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R 4.3.0 released · 2023-04-21
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R 3.1.0 released · 2014-04-10
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R 3.0.0 released · 2013-04-03
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R 2.15.0 released · 2012-03-30
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R 2.14.0 released · 2011-10-31
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R 2.12.0 released · 2010-10-15
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R 2.11.0 released · 2010-04-22
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R 2.10.0 released · 2009-10-26
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R 2.9.0 released · 2009-04-17

Package metadata

First published: 2009-09-08
Total releases: 67 / 17 yrs
License: GPL (>= 2) OSI
Minimum R: ≥ 4.4.0
Download size: 688 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Appears in task views

Econometrics Reproducible Research Survival Analysis