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R Optimization Infrastructure

38packages dependsuggested by 6
133Kdownloads / year
5.9%test coverage
13/13flavors OK

Overview

About

The R Optimization Infrastructure ('ROI') doi:10.18637/jss.v094.i15 is a sophisticated framework for handling optimization problems in R. Additional information can be found on the 'ROI' homepage https://roi.r-forge.r-project.org/.

Install

Health

CRAN checks
13OK
Slowest check: 8.8 min · r-oldrel-windows-x86_64
Status changes
  • OK13 OK2026-09-08
  • ERROR12 OK, 1 ERROR2026-09-07
  • OK13 OK2026-08-05
  • NOTE12 OK, 1 NOTE2026-08-01
  • OK14 OK2026-03-10
Advisories

none known

Documentation

In release 1.0-2
READMENoVignettesNoNEWSNoCitation fileYes · cites a publicationWebsiteYes
Cites a JSS article
Help pages
56
Examples that run
83%19 run in a plain check · 4 never run
Exported functions with examples
42%
Documented parameters
100%
Return-value docs
85%
Help pages citing references
4%

Downloads

133K
CRAN downloads in the past year
Rank #1,169 · ~365/day · ~11.1K/mo
Daily download trend is not available in this view yet.
11.8K30 days
29.1K90 days
133K1 year
Compare downloads with other packages →
Also on8.2K r2u7 autocran1.6K conda_forge159 c2d4u

Repository

PracticesBeta

Repository r-forge.r-project.org/projects/roi is linked, but repository-practices checks have not run for it yet. Checks are GitHub-only for now.

How this is detected·Detection ruleset v3 (2026-09-26)

Dependencies

Declared dependencies
4 external dependencies (excludes base and recommended)

Installing ROI adds 4 packages (3 with compiled code, 497 KB of source tarballs). Heaviest: checkmate 247 KB, registry 167 KB, slam 54 KB.

Depends (1)
R >= 2.10
Imports (5)
LinkingTo (0)
none
Suggests (1)
Enhances (0)
none

Datasets

People & History

People (5)
Author, Maintainer since 0.0-6 (2011)
Author · added in 0.2-1
Contributor · added in 0.2-1
Releases (13)

Pick two releases to compare their code metrics.

  • R
    R 4.6.0 released · 2026-04-24
  • 1.0-2Latest
    record
    2026-01-12 · current release · diff ↗
  • R
    R 4.5.0 released · 2025-04-11
  • R
    R 4.4.0 released · 2024-04-24
  • R
    R 4.3.0 released · 2023-04-21
  • 1.0-1
    record
    2023-04-20 · diff ↗ ·
    added 1 export
    ROI_require_solver
  • R
    R 4.2.0 released · 2022-04-22
  • R
    R 4.1.0 released · 2021-05-18
  • 1.0-0
    record
    2020-08-31 · diff ↗
  • R
    R 4.0.0 released · 2020-04-24
  • 0.3-3
    record
    2020-03-01 · diff ↗
  • R
    R 3.6.0 released · 2019-04-26
  • 0.3-2
    record
    2019-01-23 · diff ↗ ·
    removed 2 exports
    read.op, write.op
    added 2 exports
    ROI_read, ROI_write
  • R
    R 3.5.0 released · 2018-04-23
  • 0.3-1
    record
    2018-01-26 · diff ↗
  • 0.3-0
    record
    2017-10-20 · diff ↗ ·
    added 2 exports
    ROI_registered_solver_control, is.default_bound
Show 14 earlier eventsHide 14 earlier events
  • 0.2-6
    record
    2017-05-22 · diff ↗
  • 0.2-5
    record
    2017-05-18 · diff ↗ ·
    removed 15 exports
    .ROI_plugin_add_status_code_to_db, .ROI_plugin_canonicalize_solution, .ROI_plugin_get_solver_name, .ROI_plugin_make_signature, .ROI_plugin_register_solver_control, .ROI_plugin_register_solver_method, .ROI_plugin_solution_aux, .ROI_plugin_solution_dual, .ROI_plugin_solution_msg, .ROI_plugin_solution_prim, .ROI_plugin_solution_psd, C_bound, as.C_bound, is.C_bound, rbind.constraint
    added 45 exports
    maximum<-, objective<-, types<-, C_constraint, K_expd, K_expp, K_lin, K_powd, K_powp, K_psd, K_soc, K_zero, OP_signature, ROI_plugin_add_status_code_to_db, ROI_plugin_build_equality_constraints, ROI_plugin_build_inequality_constraints, ROI_plugin_canonicalize_solution, ROI_plugin_get_solver_name, ROI_plugin_make_signature, ROI_plugin_register_reader, ROI_plugin_register_reformulation, ROI_plugin_register_solver_control, ROI_plugin_register_solver_method, ROI_plugin_register_writer, ROI_plugin_solution_aux, ROI_plugin_solution_dual, ROI_plugin_solution_msg, ROI_plugin_solution_objval, ROI_plugin_solution_prim, ROI_plugin_solution_psd and 15 more
  • R
    R 3.4.0 released · 2017-04-21
  • 0.2-1
    record
    2016-06-18 · diff ↗ ·
    added 32 exports
    .ROI_plugin_add_status_code_to_db, .ROI_plugin_canonicalize_solution, .ROI_plugin_get_solver_name, .ROI_plugin_make_signature, .ROI_plugin_register_solver_control, .ROI_plugin_register_solver_method, .ROI_plugin_solution_aux, .ROI_plugin_solution_dual, .ROI_plugin_solution_msg, .ROI_plugin_solution_prim, .ROI_plugin_solution_psd, C_bound, J, NO_constraint, ROI_applicable_solvers, ROI_options, as.C_bound, as.F_constraint, as.L_term, as.NO_constraint, as.Q_term, as.V_bound, equal, is.C_bound, is.F_constraint, is.NO_constraint, is.V_bound, is.bound, is.constraint, rbind.constraint and 2 more
  • R
    R 3.3.0 released · 2016-05-03
  • R
    R 3.2.0 released · 2015-04-16
  • R
    R 3.1.0 released · 2014-04-10
  • 0.1-0
    record
    2013-11-28 · diff ↗ ·
    added 4 exports
    as.F_objective, F_constraint, F_objective, G
  • R
    R 3.0.0 released · 2013-04-03
  • R
    R 2.15.0 released · 2012-03-30
  • 0.0-7
    record
    2011-12-09 · diff ↗
  • R
    R 2.14.0 released · 2011-10-31
  • 0.0-6
    record
    2011-10-06
  • R
    R 2.13.0 released · 2011-04-13

Package metadata

First published
2011-10-06
Total releases
13 / 15 yrs
License
GPL-3 OSI
Minimum R
≥ 2.10
Bundled data
39 KB / 1 file
Download size
112 KB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("ROI")

The package provides a citation file that builds its entry when R runs it. Run citation() to see it.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for ROI version 1.0-2 [Data set]. HJJB, LLC. Data release v2026-10-22. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-22, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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