mlr3learners

Overview

About

Maintained by Marc BeckerFirst published 2019-08-0533 releasesCRAN page ↗GitHub ↗

Recommended Learners for 'mlr3'. Extends 'mlr3' with interfaces to essential machine learning packages on CRAN. This includes, but is not limited to: (penalized) linear and logistic regression, linear and quadratic discriminant analysis, k-nearest neighbors, naive Bayes, support vector machines, and gradient boosting.

Install

R (CRAN)pak (dev)Ubuntu (r2u)openSUSE (OBS)

install.packages("mlr3learners", repos = "https://cloud.r-project.org/")

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

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("mlr-org/mlr3learners")

Development version from mlr-org/mlr3learners. Installs pak first if it is not already available.

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-mlr3learners

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

# 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-mlr3learners

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

Health

CRAN checks

13OK

Slowest check: 5.8 min · r-devel-linux-x86_64-fedora-clang

Code health

Yes

Tests · ratio 0.57

95.8%

Coverage · measured lines

100%

Documentation · exports

7

Dependencies · direct

Check history

OK2026-06-14
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-05-05
11 OK · 0 NOTE · 0 WARNING · 2 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 272 wordsVignettesNopkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: not tracked
Return-value docs: 0%
References docs: 77%

Downloads

239.2K

CRAN downloads in the past year

Rank #732 · ~655/day · ~19.9K/mo

Releases R versions

Daily download trend is not available in this view yet.

20.2K30 days

76.8K90 days

239.2K1 year

Compare downloads with other packages →

Also on16.8K r2u18 autocran6.1K conda_forge58 c2d4u

Repository

GitHub ↗ mlr-org/mlr3learners

97Stars

22Forks

8Open issues

2Open PRs

27Releases

873Commits

27Contributors

mlr3machine-learningregressionclassificationlearnersrr-package

License LGPL-3.0 · 873 commits · Last activity 2026-07-02 · 0% stars, 30d

Stars over time

2025-06-29 · 932026-07-07 · 97

Repository practices

Upstream repositoryBeta

9 development-tooling and community-health practices detected across 5 families in the upstream repository

Checks run against github.com/mlr-org/mlr3learners on 2026-07-19.

Continuous integration (1)

GitHub Actions

Automation and maintenance (1)

Dependabot

Lint, format, editor (5)

lintrAirEditorConfigVS CodeRStudio project

Governance and community (1)

Issue templates

Show all practices

Git structural (1)

blame-ignore revs

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

Dependencies

Declared dependencies

20 external dependencies (excludes base and recommended)

Depends (2)

R >= 3.4.0mlr3

Imports (6)

checkmate data.tablemethodsmlr3misc paradox R6

LinkingTo (0)

none

Suggests (16)

DiceKriging e1071 future glmnet kknn knitr lgrMASSmirainnetpracma ranger rgenoud rmarkdown testthat (>= 3.0.0)xgboost

Enhances (0)

none

Dependency license breakdown →

People & History

People (8)

Maintainer (1)

Marc Becker

Maintainer, Author · added in 0.7.0

Authors (6)

Marc Becker

Maintainer, Author · added in 0.7.0

Author

Author

Author

Author · added in 0.1.3

John Zobolas

Author · added in 0.10.0

Contributors (2)

Toby Hocking

Contributor · added in 0.15.0

Alexander Winterstetter

Contributor · added in 0.15.0

Package Timeline

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

0.15.0Latest
2026-06-09 · current release · diff ↗
R
R 4.6.0 released · 2026-04-24
0.14.0
2025-12-13 · diff ↗
0.13.0
2025-10-02 · diff ↗
0.12.0
2025-05-23 · diff ↗
0.11.0
2025-05-17 · diff ↗
R
R 4.5.0 released · 2025-04-11
0.10.0
2025-03-19 · diff ↗
0.9.0
2024-11-23 · diff ↗
0.8.0
2024-10-25 · diff ↗
0.7.0
2024-06-28 · diff ↗
R
R 4.4.0 released · 2024-04-24
0.6.0
2024-03-13 · diff ↗
0.5.8
2023-12-21 · diff ↗
0.5.7
2023-11-21 · diff ↗
R
R 4.3.0 released · 2023-04-21

Show 25 earlier events

0.5.6
2023-01-06 · diff ↗
0.5.5
2022-11-07 · diff ↗
0.5.4
2022-08-15 · diff ↗
0.5.3
2022-05-25 · diff ↗
R
R 4.2.0 released · 2022-04-22
0.5.2
2022-01-23 · diff ↗
0.5.1
2021-11-19 · diff ↗
0.5.0
2021-08-17 · diff ↗
R
R 4.1.0 released · 2021-05-18
0.4.5
2021-03-18 · diff ↗
0.4.4
2021-03-15 · diff ↗
0.4.3
2020-12-08 · diff ↗
0.4.2
2020-11-11 · diff ↗
0.4.1
2020-10-07 · diff ↗
0.4.0
2020-09-25 · diff ↗
0.3.0
2020-08-29 · diff ↗
R
R 4.0.0 released · 2020-04-24
0.2.0
2020-04-22 · diff ↗
0.1.6
2020-02-10 · diff ↗
0.1.5
2019-11-25 · diff ↗
0.1.4
2019-10-29 · diff ↗
0.1.3
2019-09-17 · diff ↗
0.1.2
2019-08-26 · diff ↗
0.1.1
2019-08-05
R
R 3.6.0 released · 2019-04-26

Package metadata

First published: 2019-08-05
Total releases: 33 / 7 yrs
License: LGPL-3 OSI
Minimum R: ≥ 3.4.0
Download size: 74 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Overview

Install

Health

Documentation

Downloads

Repository

Repository practices

Dependencies

Code & Tests

People & History

Package metadata