groupdata2

2.0.5

Creating Groups from Data

3packages depend

36.9Kdownloads / year

94.0%test coverage

8/13checks pass

Overview

About

Maintained by Ludvig Renbo OlsenFirst published 2017-01-2817 releasesCRAN page ↗GitHub ↗

Methods for dividing data into groups. Create balanced partitions and cross-validation folds. Perform time series windowing and general grouping and splitting of data. Balance existing groups with up- and downsampling or collapse them to fewer groups.

Install

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

install.packages("groupdata2", 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("ludvigolsen/groupdata2")

Development version from ludvigolsen/groupdata2. 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-groupdata2

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-groupdata2

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-groupdata2

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

Health

CRAN checks

5NOTE8OK

Failing flavors

NOTE r-devel-linux-x86_64-debian-clang
NOTE r-devel-linux-x86_64-debian-gcc
NOTE r-devel-linux-x86_64-fedora-clang
NOTE r-devel-linux-x86_64-fedora-gcc
NOTE r-devel-windows-x86_64

Slowest check: 8.4 min · r-devel-linux-x86_64-fedora-clang

Code health

Yes

Tests · ratio 2.02

94.0%

Coverage · measured lines

91%

Documentation · exports

Dependencies · direct

Check history

NOTE2026-07-16
11 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-06-09
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-06-08
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 · 3,115 wordsVignettesYes · dynamicpkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 92%
Return-value docs: 100%
References docs: 0%

Downloads

36.9K

CRAN downloads in the past year

Rank #2,806 · ~101/day · ~3.1K/mo

Releases R versions

Daily download trend is not available in this view yet.

2.1K30 days

5.7K90 days

36.9K1 year

Compare downloads with other packages →

Also on161 r2u3 autocran1.3K conda_forge

Repository

GitHub ↗ ludvigolsen/groupdata2

25Stars

3Forks

2Open issues

0Open PRs

17Releases

542Commits

2Contributors

group-factorcross-validationfoldstaircasebalancegroupsparticipantsdata-frame

542 commits · Last activity 2024-12-18

Stars over time

2024-08-28 · 252026-07-07 · 25

Repository practices

Upstream repositoryBeta

6 development-tooling and community-health practices detected across 4 families in the upstream repository

Checks run against github.com/ludvigolsen/groupdata2 on 2026-07-30.

Continuous integration (3)

GitHub ActionsTravis CIAppVeyor

CRAN release process (1)

cran-comments.md

Docs source (1)

README.Rmd

Lint, format, editor (1)

RStudio project

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

Dependencies

Declared dependencies

18 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.5

Imports (12)

checkmate dplyr numbers lifecycle plyr purrr rearrr rlang (>= 0.4.4)statstibble tidyrutils

LinkingTo (0)

none

Suggests (8)

broom covr ggplot2 knitr lmerTest rmarkdown testthat xpectr

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

3direct

3indirect

bayesrules cvms surveyvoi

Code & Tests

People & History

People (1)

Maintainer (1)

Ludvig Renbo Olsen

Author, Maintainer

Authors (1)

Ludvig Renbo Olsen

Author, Maintainer

Package Timeline

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

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
2.0.5Latest
2024-12-18 · current release · diff ↗
R
R 4.4.0 released · 2024-04-24
2.0.3
2023-06-18 · diff ↗
R
R 4.3.0 released · 2023-04-21
2.0.2
2022-11-24 · diff ↗
2.0.1
2022-08-28 · diff ↗
R
R 4.2.0 released · 2022-04-22
2.0.0
2021-10-24 · diff ↗
1.5.0
2021-07-03 · diff ↗
1.4.2
2021-06-19 · diff ↗
R
R 4.1.0 released · 2021-05-18
1.4.1
2021-03-06 · diff ↗
1.4.0
2021-02-20 · diff ↗
1.3.0
2020-06-15 · diff ↗

Show 12 earlier events

1.2.1
2020-06-06 · diff ↗
R
R 4.0.0 released · 2020-04-24
1.2.0
2020-03-07 · diff ↗
1.1.2
2019-08-05 · diff ↗
1.1.1
2019-07-05 · diff ↗
1.1.0
2019-06-24 · diff ↗
R
R 3.6.0 released · 2019-04-26
R
R 3.5.0 released · 2018-04-23
1.0.0
2017-10-22 · diff ↗
R
R 3.4.0 released · 2017-04-21
0.1.0
2017-01-28
R
R 3.3.0 released · 2016-05-03

Package metadata

First published: 2017-01-28
Total releases: 17 / 9 yrs
License: MIT + file LICENSE OSI
Minimum R: ≥ 3.5
Download size: 1.1 MB
Installed size: not tracked yet
With dependencies: not tracked yet

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