R Observatory: Metrics for cobs version 1.3-9-1

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

cobs

1.3-9-1

Constrained B-Splines (Sparse Matrix Based)

14packages depend

148.2Kdownloads / year

58.7%test coverage

13/13checks pass

Overview

About

Maintained by Martin MaechlerFirst published 2002-04-2819 releasesCRAN page ↗

Qualitatively Constrained (Regression) Smoothing Splines via Linear Programming and Sparse Matrices.

Install

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

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

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

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-cobs

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-cobs

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-cobs

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

Health

CRAN checks

13OK

Slowest check: 3.9 min · r-devel-windows-x86_64

Code health

Yes

Tests · ratio 1.45

58.7%

Coverage · measured lines

100%

Documentation · exports

7

Dependencies · direct

Check history

OK2026-08-05
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
NOTE2026-08-01
12 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-07-24
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-07-23
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 · 333 wordsVignettesNopkgdown siteNoNEWSNoCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 59%
Return-value docs: 78%
References docs: 47%

Downloads

148.2K

CRAN downloads in the past year

Rank #1,214 · ~406/day · ~12.4K/mo

Releases R versions

Daily download trend is not available in this view yet.

10.1K30 days

27.2K90 days

148.2K1 year

Compare downloads with other packages →

Also on684 r2u8 autocran4.9K conda_forge85 c2d4u

Repository

Repository ↗ scm/viewvc.php

Repository practices

Upstream repositoryBeta

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

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

Dependencies

Declared dependencies

2 external dependencies (excludes base and recommended)

Depends (0)

none

Imports (7)

SparseM quantreggrDevicesgraphicssplinesstatsmethods

LinkingTo (0)

none

Suggests (1)

Matrix

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

14direct

6indirect

logcondiscr L2E RPPASPACE bayespmtools biospear demography joineRML rTwig simest vital BsplineQuantReg DPQ mboost mev

Code & Tests

Datasets

People & History

People (2)

Maintainer (1)

Martin Maechler

Author, Maintainer · added in 1.1-3.5

Authors (2)

Martin Maechler

Author, Maintainer · added in 1.1-3.5

Pin T. Ng

Author

Listed in earlier versions (3)

Xuming He

no longer listed · 0.9-3 to 0.9-5

U. Illinois; R port by Martin Maechler

no longer listed · 0.9-3 to 0.9-5

Pin T.

no longer listed · 1.3-9 to 1.3-9-1

Package Timeline

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

R
R 4.6.0 released · 2026-04-24
1.3-9-1Latest
2025-07-02 · current release · diff ↗
R
R 4.5.0 released · 2025-04-11
1.3-9
2024-12-19 · diff ↗
R
R 4.4.0 released · 2024-04-24
1.3-8
2024-03-06 · diff ↗
1.3-7
2024-02-03 · diff ↗
R
R 4.3.0 released · 2023-04-21
1.3-5
2022-05-30 · diff ↗
R
R 4.2.0 released · 2022-04-22
R
R 4.1.0 released · 2021-05-18
R
R 4.0.0 released · 2020-04-24
1.3-4
2020-01-24 · diff ↗
1.3-3
2020-01-17 · diff ↗
R
R 3.6.0 released · 2019-04-26
R
R 3.5.0 released · 2018-04-23

Show 38 earlier events

R
R 3.4.0 released · 2017-04-21
1.3-2
2017-01-31 · diff ↗
R
R 3.3.0 released · 2016-05-03
1.3-1
2015-09-01 · diff ↗
R
R 3.2.0 released · 2015-04-16
1.3-0
2015-01-06 · diff ↗
R
R 3.1.0 released · 2014-04-10
R
R 3.0.0 released · 2013-04-03
R
R 2.15.0 released · 2012-03-30
R
R 2.14.0 released · 2011-10-31
1.2-2
2011-04-26 · diff ↗
R
R 2.13.0 released · 2011-04-13
R
R 2.12.0 released · 2010-10-15
1.2-1
2010-08-11 · diff ↗
R
R 2.11.0 released · 2010-04-22
R
R 2.10.0 released · 2009-10-26
R
R 2.9.0 released · 2009-04-17
1.2-0
2009-02-25 · diff ↗
1.1-6
2009-01-11 · diff ↗
R
R 2.8.0 released · 2008-10-20
R
R 2.7.0 released · 2008-04-22
1.1-5
2008-01-26 · diff ↗
R
R 2.6.0 released · 2007-10-03
R
R 2.5.0 released · 2007-04-24
R
R 2.4.0 released · 2006-10-03
1.1-3.5
2006-10-02 · diff ↗
R
R 2.3.0 released · 2006-04-24
0.9-5
2006-04-09 · diff ↗
R
R 2.2.0 released · 2005-10-06
R
R 2.1.0 released · 2005-04-18
R
R 2.0.0 released · 2004-10-04
R
R 1.9.0 released · 2004-04-12
0.9-4
2003-11-07 · diff ↗
R
R 1.8.0 released · 2003-10-08
R
R 1.7.0 released · 2003-04-16
R
R 1.6.0 released · 2002-10-01
R
R 1.5.0 released · 2002-04-29
0.9-3
2002-04-28

Package metadata

First published: 2002-04-28
Total releases: 19 / 24 yrs
License: GPL (>= 2) OSI
Bundled data: 60 KB / 4 files
Download size: 131 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("cobs")

Format

Maechler, M., & Ng, P. T. (2025). cobs: Constrained B-Splines (Sparse Matrix Based) (Version 1.3-9-1) [Computer software]. https://doi.org/10.32614/CRAN.package.cobs

This is what citation() produces when a package has no citation file of its own. If it prints something else, use that.

Cite the R Observatory

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

Format

APA

Balamuta, J. J. (2026). R Observatory: Metrics for cobs version 1.3-9-1 [Data set]. HJJB, LLC. Data release v2026-08-23. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-23, which the citation names so these numbers can be found later. More on citing and the projects behind them.

Report a problem with this page →