RcppArmadillo

Rcpp integration for the Armadillo templated linear algebra library

https://github.com/rcppcore/rcpparmadillo

Science Score: 49.0%

This score indicates how likely this project is to be science-related based on various indicators:

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CITATION.cff file
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codemeta.json file
Found codemeta.json file
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.zenodo.json file
Found .zenodo.json file
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DOI references
Found 5 DOI reference(s) in README
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Academic publication links
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Committers with academic emails
3 of 20 committers (15.0%) from academic institutions
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Institutional organization owner
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JOSS paper metadata
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Scientific vocabulary similarity
Low similarity (11.2%) to scientific vocabulary

Keywords

armadillo c-plus-plus r r-package rcpp rcpparmadillo

Keywords from Contributors

c-plus-plus-11 c-plus-plus-14 c-plus-plus-17 c-plus-plus-20 r-packages data-manipulation grammar embedded

Last synced: 6 months ago · JSON representation

Repository

Rcpp integration for the Armadillo templated linear algebra library

Basic Info

Host: GitHub
Owner: RcppCore
Language: C++
Default Branch: master
Homepage:
Size: 10.7 MB

Statistics

Stars: 203
Watchers: 18
Forks: 56
Open Issues: 11
Releases: 0

Topics

armadillo c-plus-plus r r-package rcpp rcpparmadillo

Created over 12 years ago · Last pushed 6 months ago

Metadata Files

Readme Changelog

RcppArmadillo: R and Armadillo via Rcpp

Synopsis

RcppArmadillo provides an interface from R to and from Armadillo by utilising the Rcpp R/C++ interface library.

What is Armadillo?

Armadillo is a high-quality linear algebra library for the C++ language, aiming towards a good balance between speed and ease of use. It provides high-level syntax and functionality deliberately similar to Matlab (TM). See its website more information about Armadillo.

So give me an example!

Glad you asked. Here is a light-weight and fast implementation of linear regression:

```c++

include

// [[Rcpp::depends(RcppArmadillo)]]

// [[Rcpp::export]] Rcpp::List fastLm(const arma::mat& X, const arma::colvec& y) { int n = X.nrows, k = X.ncols;

arma::colvec coef = arma::solve(X, y);     // fit model y ~ X
arma::colvec res  = y - X*coef;            // residuals
double s2 = arma::dot(res, res) / (n - k); // std.errors of coefficients
arma::colvec std_err = arma::sqrt(s2 * arma::diagvec(arma::pinv(arma::trans(X)*X)));

return Rcpp::List::create(Rcpp::Named("coefficients") = coef,
                          Rcpp::Named("stderr")       = std_err,
                          Rcpp::Named("df.residual")  = n - k);

} ```

You can Rcpp::sourceCpp() the file above to compile the function. A version is also included in the package as the fastLm() function.

The RcppArmadillo/Lighter header includes Rcpp via its Rcpp/Lighter header which precludes some more compile-time heavy features such as 'Rcpp Modules' which we may not need. See the Rcpp docs more details about 'Light', 'Lighter' and 'Lightest'. In the example above, the switch saves about 15% of total compilation time.

Status

The package is mature yet under active development with releases to CRAN about once every other month, and widely-used by other CRAN packages as can be seen from the [CRAN package page]cran pkg. As of August 2025, there are 1266 CRAN packages using RcppArmadillo.

As of Armadillo 15.0.0, the minimum compilation standard is C++14. However, as several hundred CRAN packages still impose C++11 as their compilation standard, the RcppArmadillo package also includes the final version allowing C++11, namely Armadillo 14.6.3, as a fallback used when C++11 compilation is detected. Conversion to and compilation under C++14 or later is encouraged. R defaults to C++17 since version 4.3.0. See GitHub issue #475 for more about choosing between 'legacy' Armadillo 14.6.3 or 'current' Armadillo 15.0.1 or later.

Documentation

The package contains a pdf vignette which is a pre-print of the paper by Eddelbuettel and Sanderson in CSDA (2014), as well as an introductory vignette for the sparse matrix conversions.

Installation

RcppArmadillo is a CRAN package, and lives otherwise in its own habitat on GitHub within the RcppCore GitHub organization.

Run

r install.packages("RcppArmadillo")

to install from your nearest CRAN mirror.

Authors

Dirk Eddelbuettel, Romain Francois, Doug Bates, Binxiang Ni, and Conrad Sanderson

License

GPL (>= 2)

Owner

Name: Rcpp
Login: RcppCore
Kind: organization

Website: http://www.rcpp.org
Repositories: 10
Profile: https://github.com/RcppCore

GitHub Events

Total

Issues event: 21
Watch event: 12
Delete event: 8
Issue comment event: 50
Push event: 53
Pull request review comment event: 4
Pull request review event: 6
Pull request event: 12
Fork event: 1
Create event: 8

Last Year

Issues event: 21
Watch event: 12
Delete event: 8
Issue comment event: 50
Push event: 53
Pull request review comment event: 4
Pull request review event: 6
Pull request event: 12
Fork event: 1
Create event: 8

Committers

Last synced: 8 months ago

All Time

Total Commits: 1,386
Total Committers: 20
Avg Commits per committer: 69.3
Development Distribution Score (DDS): 0.163

Past Year

Commits: 52
Committers: 2
Avg Commits per committer: 26.0
Development Distribution Score (DDS): 0.019

Top Committers

Name	Email	Commits
Dirk Eddelbuettel	e**d@d**g	1,160
Romain François	r**n@r**m	143
Douglas Bates	d**s@g**m	16
Binxiang Ni	b**i@g**m	13
Kevin Ushey	k**y@g**m	9
Keith O'Hara	k**a@n**u	8
Conrad Sanderson	c****a	8
James Balamuta	b**2@i**u	4
xian@oryza	i**a@g**m	4
Jonathan Berrisch	j**n@b**z	4
George G. Vega Yon	g**n@g**m	3
nathan-russell	r**2@g**m	3
Serguei Sokol	s****r	2
Serguei Sokol	s**l@i**r	2
Tomasz Kalinowski	k**t@g**m	2
Mikael Jagan	j**n@m**a	1
Min Kim	m**k@d**t	1
Qiang Kou (KK)	q**u@q**o	1
Martin Pacala	m**a@w**t	1
Santiago Olivella	s**a@g**m	1

Committer Domains (Top 20 + Academic)

wu.ac.at: 1 qkou.info: 1 dolbo.net: 1 mcmaster.ca: 1 insa-toulouse.fr: 1 berrisch.biz: 1 illinois.edu: 1 nyu.edu: 1 r-enthusiasts.com: 1 debian.org: 1

Issues and Pull Requests

Last synced: 6 months ago

All Time

Total issues: 88
Total pull requests: 95
Average time to close issues: about 1 month
Average time to close pull requests: 1 day
Total issue authors: 59
Total pull request authors: 9
Average comments per issue: 7.41
Average comments per pull request: 1.41
Merged pull requests: 84
Bot issues: 0
Bot pull requests: 0

Past Year

Issues: 15
Pull requests: 15
Average time to close issues: 4 days
Average time to close pull requests: 3 days
Issue authors: 8
Pull request authors: 1
Average comments per issue: 2.47
Average comments per pull request: 0.4
Merged pull requests: 14
Bot issues: 0
Bot pull requests: 0

View more stats

Top Authors

Issue Authors

eddelbuettel (20)
conradsnicta (3)
privefl (3)
coatless (3)
mattfidler (3)
pati-ni (2)
YinLiLin (2)
UseRSteph (1)
henrique-anatole (1)
dselivanov (1)
jaganmn (1)
MOOnLyer (1)
dwachsmuth (1)
raymondben (1)
GabrielHoffman (1)

Pull Request Authors

eddelbuettel (78)
conradsnicta (9)
t-kalinowski (2)
BerriJ (1)
helske (1)
jaganmn (1)
yfyang86 (1)
jsilve24 (1)
kevinushey (1)

Top Labels

Issue Labels

enhancement (1) help wanted (1)

Pull Request Labels

Packages

Total packages: 2
Total downloads:
- cran 368,143 last-month
Total docker downloads: 35,765,074

Total dependent packages: 216
(may contain duplicates)
Total dependent repositories: 373
(may contain duplicates)
Total versions: 218
Total maintainers: 1

cran.r-project.org: RcppArmadillo

'Rcpp' Integration for the 'Armadillo' Templated Linear Algebra Library

Homepage: https://github.com/RcppCore/RcppArmadillo
Documentation: http://cran.r-project.org/web/packages/RcppArmadillo/RcppArmadillo.pdf
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
Latest release: 0.3.820
published almost 13 years ago

Versions: 182
Dependent Packages: 100
Dependent Repositories: 346
Downloads: 368,143 Last month
Docker Downloads: 35,765,074

Rankings

Downloads: 0.5%

Dependent repos count: 0.8%

Dependent packages count: 0.9%

Forks count: 1.3%

Stargazers count: 2.3%

Average: 3.9%

Docker downloads count: 17.3%

Maintainers (1)

edd@debian.org

Last synced: 6 months ago

conda-forge.org: r-rcpparmadillo

Homepage: https://dirk.eddelbuettel.com/code/rcpp.armadillo.html
License: GPL-2.0-or-later
Latest release: 0.11.4.2.1
published over 3 years ago

Versions: 36
Dependent Packages: 116
Dependent Repositories: 27

Rankings

Dependent packages count: 0.7%

Dependent repos count: 7.0%

Average: 15.1%

Forks count: 24.5%

Stargazers count: 28.1%

Last synced: 6 months ago

Dependencies

DESCRIPTION cran

R >= 3.3.0 depends
Rcpp >= 0.11.0 imports
methods * imports
stats * imports
utils * imports
Matrix >= 1.3.0 suggests
pkgKitten * suggests
reticulate * suggests
slam * suggests
tinytest * suggests

.github/workflows/ci.yaml actions

actions/checkout v3 composite

RcppArmadillo

Science Score: 49.0%

Keywords

Keywords from Contributors

Repository

Basic Info

Statistics

Topics

Metadata Files

README.md

RcppArmadillo: R and Armadillo via Rcpp

Synopsis

What is Armadillo?

So give me an example!

include

Status

Documentation

Installation

Authors

License

Owner

GitHub Events

Total

Last Year

Committers

All Time

Past Year

Top Committers

Committer Domains (Top 20 + Academic)

Issues and Pull Requests

All Time

Past Year

Top Authors

Issue Authors

Pull Request Authors

Top Labels

Issue Labels

Pull Request Labels

Packages

cran.r-project.org: RcppArmadillo

Rankings

Maintainers (1)

conda-forge.org: r-rcpparmadillo

Rankings

Dependencies