Machine Learning Benchmark Problems
7packages dependsuggested by 96
570.5Kdownloads / year
–test coverage
13/13flavors OK
Overview
About
Maintained by Kurt HornikCRAN page ↗
A collection of artificial and real-world machine learning benchmark problems, including, e.g., several data sets from the UCI repository.
Install
Health
CRAN checks
13OK
Slowest check: 2.5 min · r-devel-windows-x86_64
Status changes
- OK13 OK2026-08-05
- NOTE12 OK, 1 NOTE2026-08-01
- OK13 OK2026-06-09
- ERROR12 OK, 1 ERROR2026-06-08
- OK14 OK2026-03-27
Show 1 earlier changeHide 1 earlier change
- WARNING12 OK, 2 WARNING2026-03-10
Advisories
Documentation
In release 2.1-11
READMEYes · 64 wordsVignettesNoNEWSYes · 0% structuredCitation fileYes · computed when R runs itWebsitenot declared in DESCRIPTION
- Help pages
- 38
- Examples that run
- 100%34 run in a plain check
- Exported functions with examples
- 79%
- Documented parameters
- 100%
- Return-value docs
- 95%
- Help pages citing references
- 61% with a bibliography file
Downloads
570.5K
CRAN downloads in the past year
Rank #562 · ~1.6K/day · ~47.5K/mo
Daily download trend is not available in this view yet.
34.7K30 days
119.5K90 days
570.5K1 year
Also on35K r2u204 autocran40.5K conda_forge273 c2d4u
Dependencies
Declared dependencies
0 external dependencies (excludes base and recommended)
Installing mlbench adds no packages beyond those that come with R.
Depends (1)
R >= 2.10
Imports (0)
none
LinkingTo (0)
none
Suggests (1)
lattice
Enhances (0)
none
Reverse dependencies
7direct
55indirect
Depends 1 · Imports 6
Suggested by 96
Show the 48 most downloaded packagesHide the 48 most downloaded packages
Depends, Imports or LinkingTo, most downloaded first
Suggests, most downloaded first
Code & Tests
Datasets
People & History
People (4)
Maintainer since 2.1-5 (2024) · added in 2.1-5
Author · added in 2.1-5
Contributor · added in 2.1-11
Previously maintained by Friedrich Leisch (0.5-1 to 2.1-3.1).
Listed in earlier versions (5)
Show 5 peopleHide 5 people
Fritz Leisch
no longer listed · 0.4-1 to 0.4-3
Evgenia Dimitriadou Original data sets from various sources.
no longer listed · 0.4-1 to 0.4-3
Fritz Leisch Original data sets from various sources.
no longer listed · 0.3-2
Evgenia Dimitriadou. Original data sets from various sources.
no longer listed · 0.5-1 to 2.0-0
Evgenia Dimitriadou.
no longer listed · 2.1-0 to 2.1-3.1
Releases (34)
Pick two releases to compare their code metrics.
- 2.1-11Latest
- 2.1-102026-07-24 · diff ↗
- 2.1-92026-07-13 · diff ↗ ·
removed 1 export
pattern:^mlbench.*added 19 exports
mlbench.1spiral, mlbench.2dnormals, mlbench.cassini, mlbench.circle, mlbench.cuboids, mlbench.friedman1, mlbench.friedman2, mlbench.friedman3, mlbench.hypercube, mlbench.peak, mlbench.ringnorm, mlbench.shapes, mlbench.simplex, mlbench.smiley, mlbench.spirals, mlbench.threenorm, mlbench.twonorm, mlbench.waveform, mlbench.xor - RR 4.6.0 released · 2026-04-24
- 2.1-82026-03-26 · diff ↗
- 2.1-72026-02-18 · diff ↗
- RR 4.5.0 released · 2025-04-11
- 2.1-62024-12-30 · diff ↗
- 2.1-52024-05-02 · diff ↗
- RR 4.4.0 released · 2024-04-24
- 2.1-3.12023-05-05 · diff ↗
- RR 4.3.0 released · 2023-04-21
- RR 4.2.0 released · 2022-04-22
- RR 4.1.0 released · 2021-05-18
- 2.1-32021-01-29 · diff ↗
- RR 4.0.0 released · 2020-04-24
Show 53 earlier eventsHide 53 earlier events
- RR 3.6.0 released · 2019-04-26
- RR 3.5.0 released · 2018-04-23
- RR 3.4.0 released · 2017-04-21
- RR 3.3.0 released · 2016-05-03
- RR 3.2.0 released · 2015-04-16
- RR 3.1.0 released · 2014-04-10
- RR 3.0.0 released · 2013-04-03
- 2.1-1
- RR 2.15.0 released · 2012-03-30
- RR 2.14.0 released · 2011-10-31
- RR 2.13.0 released · 2011-04-13
- RR 2.12.0 released · 2010-10-15
- 2.1-02010-10-08 · diff ↗
- RR 2.11.0 released · 2010-04-22
- 2.0-02010-01-21 · diff ↗
- RR 2.10.0 released · 2009-10-26
- RR 2.9.0 released · 2009-04-17
- 1.1-62009-02-05 · diff ↗
- 1.1-52009-01-12 · diff ↗
- RR 2.8.0 released · 2008-10-20
- 1.1-42008-07-02 · diff ↗
- RR 2.7.0 released · 2008-04-22
- RR 2.6.0 released · 2007-10-03
- 1.1-32007-06-01 · diff ↗
- RR 2.5.0 released · 2007-04-24
- 1.1-22006-10-09 · diff ↗
- RR 2.4.0 released · 2006-10-03
- 1.1-12006-05-23 · diff ↗
- RR 2.3.0 released · 2006-04-24
- RR 2.2.0 released · 2005-10-06
- 1.1-02005-08-30 · diff ↗
- 1.0-22005-05-20 · diff ↗
- RR 2.1.0 released · 2005-04-18
- 1.0-12005-03-07 · diff ↗
- RR 2.0.0 released · 2004-10-04
- RR 1.9.0 released · 2004-04-12
- 1.0-02004-02-03 · diff ↗
- 0.5-102003-10-14 · diff ↗
- RR 1.8.0 released · 2003-10-08
- RR 1.7.0 released · 2003-04-16
- 0.5-82003-02-10 · diff ↗
- 0.5-72002-11-06 · diff ↗
- 0.5-62002-10-31 · diff ↗
- RR 1.6.0 released · 2002-10-01
- 0.5-52002-07-03 · diff ↗
- RR 1.5.0 released · 2002-04-29
- 0.5-42001-12-12 · diff ↗
- 0.5-32001-12-07 · diff ↗
- 0.5-22001-07-17 · diff ↗
- 0.5-12001-05-15 · diff ↗
- 0.4-32000-12-13 · diff ↗
- 0.4-11999-08-24 · diff ↗
- 0.3-21999-02-24
0 of 2 selectedCompare selected
Package metadata
- First published
- 1999-02-24
- Total releases
- 34 / 27 yrs
- License
- GPL-2 OSI
- Minimum R
- ≥ 2.10
- Bundled data
- 864 KB / 19 files
- Download size
- 967 KB
Cite
Cite this package
Run in R for the authors' preferred citation:
citation("mlbench")The package provides a citation file that builds its entry when R runs it. Run citation() to see it.
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