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plm

2.6-7

Linear Models for Panel Data

70packages depend
592.9Kdownloads / year
7.2%test coverage
13/13checks pass

Overview

About
Maintained by Kevin TappeFirst published 2006-06-1369 releasesCRAN page ↗GitHub ↗

A set of estimators for models and (robust) covariance matrices, and tests for panel data econometrics, including within/fixed effects, random effects, between, first-difference, nested random effects as well as instrumental-variable (IV) and Hausman-Taylor-style models, panel generalized method of moments (GMM) and general FGLS models, mean groups (MG), demeaned MG, and common correlated effects (CCEMG) and pooled (CCEP) estimators with common factors, variable coefficients and limited dependent variables models. Test functions include model specification, serial correlation, cross-sectional dependence, panel unit root and panel Granger (non-)causality. Typical references are general econometrics text books such as Baltagi (2021), Econometric Analysis of Panel Data (doi:10.1007/978-3-030-53953-5), Hsiao (2014), Analysis of Panel Data (doi:10.1017/CBO9781139839327), and Croissant and Millo (2018), Panel Data Econometrics with R (doi:10.1002/9781119504641).

Install

Health

CRAN checks
13OK
Slowest check: 4.9 min · r-oldrel-windows-x86_64
Code health
Yes
Tests · ratio 0.00
7.2%
Coverage · measured lines
100%
Documentation · exports
12
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
  • OK2026-06-09
    13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
  • ERROR2026-06-07
    12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE
  • OK2026-03-10
    14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

Documentation
READMEYes · 572 wordsVignettesYes · dynamicpkgdown siteNoNEWSYes · 67% structuredCode of conductNoContributing guideNo
Examples that run
97%
Documented parameters
92%
Return-value docs
97%
References docs
63%

Downloads

592.9K
CRAN downloads in the past year
Rank #572 · ~1.6K/day · ~49.4K/mo
Daily download trend is not available in this view yet.
32.6K30 days
117.6K90 days
592.9K1 year
Compare downloads with other packages →
Also on5.6K r2u22 autocran6K conda_forge87 c2d4u

Repository

Repository
65Stars
15Forks
28Open issues
2Open PRs
9Releases
1,956Commits
13Contributors
License GPL-2.0 · 1,956 commits · Last activity 2026-06-25 · 0% stars, 30d

Stars over time

2026-07-14 · 642026-07-15 · 65

Repository practices

Upstream repositoryBeta

1 development-tooling and community-health practice detected across 1 family in the upstream repository

Checks run against github.com/ycroissant/plm on 2026-08-23.

Continuous integration (1)
GitHub Actions
How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies
18 external dependencies (excludes base and recommended)
Depends (1)
R >= 3.2.0
LinkingTo (0)
none
Enhances (0)
none

Code & Tests

Datasets

People & History

People (9)
Maintainer (1)
Author, Maintainer · added in 1.5-12
Authors (3)
Author, Maintainer · added in 1.5-12
Author · added in 2.5.0
Contributors (6)
Contributor · added in 1.5-12
Contributor · added in 3.0.3
Contributor · added in 3.0.3
Contributor · added in 1.5-12
Contributor · added in 3.0.3
Contributor · added in 3.0.3
Listed in earlier versions (2)
no longer listed · 2.12.0 to 1.2-6
no longer listed · 1.6-4
Package Timeline

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

  • R
    R 4.6.0 released · 2026-04-24
  • 2.6-7Latest
    2025-11-13 · current release · diff ↗
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    R 4.5.0 released · 2025-04-11
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    R 4.4.0 released · 2024-04-24
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    R 4.3.0 released · 2023-04-21
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    2022-08-16 · diff ↗
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    R 4.2.0 released · 2022-04-22
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    2021-09-21 · diff ↗
  • R
    R 4.1.0 released · 2021-05-18
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    R 4.0.0 released · 2020-04-24
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    2020-02-21 · diff ↗
  • unarchivedReturned to CRAN
    2020-02-21
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  • orphanedOrphaned by its maintainer
    2020-02-16
    there was no response to repeated requests
  • 2.2-0
    2019-09-07 · diff ↗
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    2019-07-24 · diff ↗
  • 2.0-2
    2019-06-21 · diff ↗
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    2019-05-23 · diff ↗
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  • R
    R 3.6.0 released · 2019-04-26
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    R 3.5.0 released · 2018-04-23
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    R 3.4.0 released · 2017-04-21
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    2016-11-30 · diff ↗
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    R 3.3.0 released · 2016-05-03
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    R 3.2.0 released · 2015-04-16
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    R 3.1.0 released · 2014-04-10
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    2013-12-24 · diff ↗
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    R 3.0.0 released · 2013-04-03
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    2012-04-06 · diff ↗
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    R 2.15.0 released · 2012-03-30
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    R 2.14.0 released · 2011-10-31
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    R 2.13.0 released · 2011-04-13
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    R 2.12.0 released · 2010-10-15
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    R 2.11.0 released · 2010-04-22
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    2010-01-26 · diff ↗
  • R
    R 2.10.0 released · 2009-10-26
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    R 2.9.0 released · 2009-04-17
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    R 2.8.0 released · 2008-10-20
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    2008-06-24 · diff ↗
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    R 2.7.0 released · 2008-04-22
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    2007-12-13 · diff ↗
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  • R
    R 2.6.0 released · 2007-10-03
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  • 2.5.1
    2007-05-14 · diff ↗
  • R
    R 2.5.0 released · 2007-04-24
  • 0.2-1
    2007-03-14 · diff ↗
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    2007-03-13 · diff ↗
  • 0.1-2
    2006-10-30 · diff ↗
  • R
    R 2.4.0 released · 2006-10-03
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    2006-06-13 · diff ↗
  • R
    R 2.3.0 released · 2006-04-24
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    2005-10-21 · diff ↗
  • R
    R 2.2.0 released · 2005-10-06
  • 2.1.1
    2005-06-06
  • R
    R 2.1.0 released · 2005-04-18

Package metadata

First published
2006-06-13
Total releases
69 / 20 yrs
License
GPL (>= 2) OSI
Minimum R
≥ 3.2.0
Bundled data
568 KB / 14 files
Download size
1.3 MB
Installed size
not tracked yet
With dependencies
not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("plm")
Tappe, K., Andronic, L., Croissant, Y., Henningsen, A., Kleiber, C., Millo, G., Schoenfelder, N., Toomet, O., & Zeileis, A. (2025). plm: Linear Models for Panel Data (Version 2.6-7) [Computer software]. https://doi.org/10.32614/CRAN.package.plm

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.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for plm version 2.6-7 [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.

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