psychotools

0.7-7

Psychometric Modeling Infrastructure

20packages depend

64.3Kdownloads / year

3.3%test coverage

13/13checks pass

Overview

About

Maintained by Achim ZeileisFirst published 2011-10-0522 releasesCRAN page ↗

Infrastructure for psychometric modeling such as data classes (for item response data and paired comparisons), basic model fitting functions (for Bradley-Terry, Rasch, parametric logistic IRT, generalized partial credit, rating scale, multinomial processing tree models), extractor functions for different types of parameters (item, person, threshold, discrimination, guessing, upper asymptotes), unified inference and visualizations, and various datasets for illustration. Intended as a common lightweight and efficient toolbox for psychometric modeling and a common building block for fitting psychometric mixture models in package "psychomix" and trees based on psychometric models in package "psychotree".

Install

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

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

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

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-psychotools

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-psychotools

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-psychotools

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

Health

CRAN checks

13OK

Slowest check: 4.2 min · r-devel-linux-x86_64-fedora-clang

Code health

Yes

Tests · ratio 0.38

3.3%

Coverage · measured lines

98%

Documentation · exports

Dependencies · direct

Check history

OK2026-07-12
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
NOTE2026-07-11
11 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-06-27
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
WARNING2026-06-14
12 OK · 0 NOTE · 1 WARNING · 0 ERROR · 0 FAILURE
OK2026-05-02
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Show 2 earlier snapshots

NOTE2026-04-25
11 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMENoVignettesYes · dynamicpkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 86%
Return-value docs: 69%
References docs: 35%

Downloads

64.3K

CRAN downloads in the past year

Rank #1,751 · ~176/day · ~5.4K/mo

Releases R versions

Daily download trend is not available in this view yet.

3.4K30 days

15.1K90 days

64.3K1 year

Compare downloads with other packages →

Also on685 r2u35 autocran6K conda_forge62 c2d4u

Dependencies

Declared dependencies

10 external dependencies (excludes base and recommended)

Depends (1)

R >= 3.6.0

Imports (4)

graphicsgrDevicesstatsutils

LinkingTo (0)

none

Suggests (10)

car Formula likert lmtest mirt multcomp psychotree psychomix sandwich strucchange

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

20direct

2indirect

RM.weights psychomix psychotree BTLLasso EloChoice GMX PlackettLuce easyRasch2 eba exhaustiveRasch gosset iarm immer tcl RMX grmtree model4you palmtree partykit tmt

Code & Tests

Datasets

People & History

People (7)

Maintainer (1)

Achim Zeileis

Author, Maintainer

Authors (7)

Achim Zeileis

Author, Maintainer

Rudolf Debelak

Author · added in 0.5-0

Basil Komboz

Author · added in 0.4-2

Julia Kopf

Author · added in 0.3-0

Lennart Schneider

Author · added in 0.5-0

Carolin Strobl

Author

Florian Wickelmaier

Author

Listed in earlier versions (1)

Basil Abou El-Komboz

no longer listed · 0.2-0 to 0.4-1

Package Timeline

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

0.7-7Latest
2026-07-11 · current release · diff ↗
R
R 4.6.0 released · 2026-04-24
0.7-6
2026-02-11 · diff ↗
0.7-5
2025-10-21 · diff ↗
R
R 4.5.0 released · 2025-04-11
0.7-4
2024-05-11 · diff ↗
R
R 4.4.0 released · 2024-04-24
0.7-3
2023-06-09 · diff ↗
R
R 4.3.0 released · 2023-04-21
0.7-2
2022-08-04 · diff ↗
0.7-1
2022-04-30 · diff ↗
R
R 4.2.0 released · 2022-04-22
0.7-0
2021-09-28 · diff ↗
0.6-1
2021-05-21 · diff ↗
R
R 4.1.0 released · 2021-05-18
0.6-0
2020-11-17 · diff ↗

Show 23 earlier events

R
R 4.0.0 released · 2020-04-24
0.5-1
2020-01-28 · diff ↗
R
R 3.6.0 released · 2019-04-26
0.5-0
2018-12-19 · diff ↗
0.4-3
2018-05-17 · diff ↗
R
R 3.5.0 released · 2018-04-23
R
R 3.4.0 released · 2017-04-21
0.4-2
2016-09-09 · diff ↗
0.4-1
2016-07-26 · diff ↗
R
R 3.3.0 released · 2016-05-03
R
R 3.2.0 released · 2015-04-16
0.4-0
2015-01-20 · diff ↗
0.3-0
2014-08-29 · diff ↗
R
R 3.1.0 released · 2014-04-10
0.2-0
2014-02-03 · diff ↗
R
R 3.0.0 released · 2013-04-03
0.1-4
2012-10-23 · diff ↗
0.1-3
2012-05-15 · diff ↗
R
R 2.15.0 released · 2012-03-30
0.1-2
2012-02-11 · diff ↗
R
R 2.14.0 released · 2011-10-31
0.1-1
2011-10-05
R
R 2.13.0 released · 2011-04-13

Package metadata

First published: 2011-10-05
Total releases: 22 / 15 yrs
License: GPL-2 | GPL-3 OSI
Minimum R: ≥ 3.6.0
Bundled data: 147 KB / 12 files
Download size: 439 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Appears in task views

Psychometric Models and Methods

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