R Observatory: Metrics for cobs99 version 0.9-12

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

This package was removed from CRAN on 2015-07-15 and replaced by cobs. Its history is shown below.

Reason: requested by the maintainer <maechler@stat.math.ethz.ch>: "package is superseded by package 'cobs'"

Details below reflect version 0.9-12, its last release before removal.

cobs99

0.9-12

Constrained B-splines -- outdated 1999 version

0packages depend

–downloads / year

–test coverage

–checks pass

Overview

About

Maintained by Martin Maechler7 releasesCRAN page ↗

Qualitatively Constrained (Regression) Smoothing via Linear Programming. OUTDATED version based on He & Ng (1999), the modified "non-simplex" algorithm of Bartels and Conn (1980). Use 'cobs' instead, unless for historical comparisons.

Install

R (source archive)

url <- "https://cran.r-project.org/src/contrib/Archive/cobs99/cobs99_0.9-12.tar.gz"
pkgFile <- "cobs99_0.9-12.tar.gz"
download.file(url, pkgFile)
install.packages(pkgFile, type = "source", repos = NULL)

This package is no longer on CRAN, so install.packages() cannot fetch it by name. This downloads the last archived source (0.9-12) and builds it locally. Install its dependencies first, and note that building from source needs the usual compiler toolchain.

Health

CRAN checks

CRAN check results are not tracked yet.

Code health

Yes

Tests · ratio 0.82

not tracked

Coverage

0

Dependencies · direct

Documentation

READMENoVignettesNopkgdown siteNoNEWSNoCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: not tracked
Return-value docs: not tracked
References docs: 64%

Downloads

cobs99 Releases R versions

Daily download trend is not available in this view yet.

Compare downloads with other packages →

Dependencies

Declared dependencies

0 external dependencies (excludes base and recommended)

Depends (0)

none

Imports (0)

none

LinkingTo (0)

none

Suggests (0)

none

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

–indirect (not tracked)

Nothing depends on this yet.

Code & Tests

Datasets

People & History

People (3)

Other (3)

Pin T. Ng

Contributor

Xuming He

Contributor

U. Illinois; R port by Martin Maechler

Contributor

Package Timeline

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

R
R 3.3.0 released · 2016-05-03
replacedReplaced by another package
replaced by cobs
archivedRemoved from CRAN
2015-07-15
requested by the maintainer <maechler@stat.math.ethz.ch>: "package is superseded by package 'cobs'"
R
R 3.2.0 released · 2015-04-16
R
R 3.1.0 released · 2014-04-10
0.9-12
2013-06-12 · diff ↗
R
R 3.0.0 released · 2013-04-03
0.9-11
2012-11-01 · diff ↗
R
R 2.15.0 released · 2012-03-30
R
R 2.14.0 released · 2011-10-31
R
R 2.13.0 released · 2011-04-13
R
R 2.12.0 released · 2010-10-15
0.9-10
2010-08-11 · diff ↗
R
R 2.11.0 released · 2010-04-22
0.9-9
2009-12-01 · diff ↗
0.9-8
2009-11-02 · diff ↗

Show 10 earlier events

R
R 2.10.0 released · 2009-10-26
R
R 2.9.0 released · 2009-04-17
R
R 2.8.0 released · 2008-10-20
R
R 2.7.0 released · 2008-04-22
0.9-7
2007-10-09 · 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
0.9-6
2006-08-03
R
R 2.3.0 released · 2006-04-24

Package metadata

Total releases: 7
License: GPL (>= 2) OSI
Bundled data: 22 KB / 4 files
Download size: not tracked yet
Installed size: not tracked yet
With dependencies: not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("cobs99")

Format

Ng, P. T., He, X., & Maechler, U. I. R. p. b. M. (n.d.). cobs99: Constrained B-splines -- outdated 1999 version (Version 0.9-12) [Computer software]. Retrieved August 14, 2026, from https://CRAN.R-project.org/package=cobs99

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 cobs99 version 0.9-12 [Data set]. HJJB, LLC. Data release v2026-08-13. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-13, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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