simmer

4.4.7

Discrete-Event Simulation for R

3packages depend

28.3Kdownloads / year

99.1%test coverage

12/13checks pass

Overview

About

Maintained by Iñaki UcarFirst published 2015-11-1542 releasesCRAN page ↗GitHub ↗

A process-oriented and trajectory-based Discrete-Event Simulation (DES) package for R. It is designed as a generic yet powerful framework. The architecture encloses a robust and fast simulation core written in 'C++' with automatic monitoring capabilities. It provides a rich and flexible R API that revolves around the concept of trajectory, a common path in the simulation model for entities of the same type. Documentation about 'simmer' is provided by several vignettes included in this package, via the paper by Ucar, Smeets & Azcorra (2019, doi:10.18637/jss.v090.i02), and the paper by Ucar, Hernández, Serrano & Azcorra (2018, doi:10.1109/MCOM.2018.1700960); see 'citation("simmer")' for details.

Install

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

install.packages("simmer", 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("r-simmer/simmer")

Development version from r-simmer/simmer. 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-simmer

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-simmer

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-simmer

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

Health

CRAN checks

1NOTE12OK

Failing flavors

NOTE r-devel-linux-x86_64-debian-gcc

Slowest check: 5.3 min · r-oldrel-windows-x86_64

Code health

Yes

Tests · ratio 1.45

99.1%

Coverage · measured lines

99%

Documentation · exports

Dependencies · direct

Check history

NOTE2026-08-01
12 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-06-08
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-06-07
12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
OK2026-05-02
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
NOTE2026-04-25
11 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Show 2 earlier snapshots

ERROR2026-03-30
9 OK · 4 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
NOTE2026-03-10
12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMENoVignettesYes · dynamicpkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 93%
Documented parameters: 98%
Return-value docs: 97%
References docs: 3%

Downloads

28.3K

CRAN downloads in the past year

Rank #3,153 · ~77/day · ~2.4K/mo

Releases R versions

Daily download trend is not available in this view yet.

1.5K30 days

4K90 days

28.3K1 year

Compare downloads with other packages →

Also on461 r2u

Repository

GitHub ↗ r-simmer/simmer

235Stars

41Forks

16Open issues

0Open PRs

36Releases

1,215Commits

8Contributors

rdiscrete-eventsimulationr-packagecran

License GPL-2.0 · 1,215 commits · Last activity 2026-07-18 · 0% stars, 30d

Stars over time

2025-06-27 · 2252026-07-07 · 235

Repository practices

Upstream repositoryBeta

5 development-tooling and community-health practices detected across 5 families in the upstream repository

Checks run against github.com/r-simmer/simmer on 2026-07-31.

Continuous integration (1)

GitHub Actions

CRAN release process (1)

cran-comments.md

Lint, format, editor (1)

RStudio project

Governance and community (1)

Funding

Show all practices

Git structural (1)

Submodules

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

Dependencies

Declared dependencies

8 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.4.0

Imports (4)

Rcpp magrittrcodetoolsutils

LinkingTo (1)

Rcpp

Suggests (6)

simmer.plotparalleltestthat knitr rmarkdown rticles

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

3direct

0indirect

simmer.bricks simmer.plot Sobol4R

Code & Tests

People & History

People (2)

Maintainer (1)

Iñaki Ucar

Author, Copyright holder, Maintainer

Authors (2)

Iñaki Ucar

Author, Copyright holder, Maintainer

Bart Smeets

Author, Copyright holder

Iñaki Ucar

Author, Copyright holder, Maintainer

Bart Smeets

Author, Copyright holder

Package Timeline

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

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
4.4.7Latest
2024-09-28 · current release · diff ↗
4.4.6.4
2024-07-05 · diff ↗
R
R 4.4.0 released · 2024-04-24
4.4.6.3
2023-11-28 · diff ↗
4.4.6.2
2023-08-22 · diff ↗
4.4.6.1
2023-07-18 · diff ↗
4.4.6
2023-07-17 · diff ↗
R
R 4.3.0 released · 2023-04-21
4.4.5
2022-06-25 · diff ↗
R
R 4.2.0 released · 2022-04-22
4.4.4
2022-02-07 · diff ↗
4.4.3
2021-08-11 · diff ↗
R
R 4.1.0 released · 2021-05-18
4.4.2
2020-06-06 · diff ↗

Show 38 earlier events

R
R 4.0.0 released · 2020-04-24
4.4.1
2020-04-11 · diff ↗
4.4.0
2019-12-09 · diff ↗
4.3.0
2019-07-30 · diff ↗
R
R 3.6.0 released · 2019-04-26
4.2.2
2019-03-14 · diff ↗
4.2.1
2019-01-09 · diff ↗
4.2.0
2019-01-09 · diff ↗
4.1.0
2018-11-09 · diff ↗
4.0.1
2018-09-10 · diff ↗
4.0.0
2018-07-20 · diff ↗
3.8.0
2018-05-01 · diff ↗
R
R 3.5.0 released · 2018-04-23
3.7.0
2018-03-03 · diff ↗
3.6.5
2018-01-04 · diff ↗
3.6.4
2017-11-04 · diff ↗
3.6.3
2017-07-28 · diff ↗
3.6.2
2017-05-30 · diff ↗
R
R 3.4.0 released · 2017-04-21
3.6.1
2017-03-30 · diff ↗
3.6.0
2016-12-28 · diff ↗
3.5.1
2016-11-26 · diff ↗
3.5.0
2016-10-27 · diff ↗
3.4.4
2016-10-06 · diff ↗
3.4.3
2016-10-02 · diff ↗
3.4.2
2016-09-03 · diff ↗
3.4.1
2016-08-11 · diff ↗
3.4.0
2016-08-09 · diff ↗
3.3.0
2016-06-28 · diff ↗
R
R 3.3.0 released · 2016-05-03
3.2.1
2016-04-29 · diff ↗
3.2.0
2016-04-04 · diff ↗
3.1.2
2016-01-04 · diff ↗
3.1.1
2015-12-16 · diff ↗
3.1.0
2015-12-16 · diff ↗
3.0.1
2015-11-17 · diff ↗
3.0.0
2015-11-15
R
R 3.2.0 released · 2015-04-16

Package metadata

First published: 2015-11-15
Total releases: 42 / 11 yrs
License: GPL (>= 2) OSI
Minimum R: ≥ 3.4.0
Download size: 1.1 MB
Installed size: not tracked yet
With dependencies: not tracked yet

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