semtree

0.9.23

Recursive Partitioning for Structural Equation Models

0packages depend

6.7Kdownloads / year

33.3%test coverage

8/13checks pass

Overview

About

Maintained by Andreas M. BrandmaierFirst published 2016-12-1614 releasesCRAN page ↗GitHub ↗

SEM Trees and SEM Forests -- an extension of model-based decision trees and forests to Structural Equation Models (SEM). SEM trees hierarchically split empirical data into homogeneous groups each sharing similar data patterns with respect to a SEM by recursively selecting optimal predictors of these differences. SEM forests are an extension of SEM trees. They are ensembles of SEM trees each built on a random sample of the original data. By aggregating over a forest, we obtain measures of variable importance that are more robust than measures from single trees. A description of the method was published by Brandmaier, von Oertzen, McArdle, & Lindenberger (2013) doi:10.1037/a0030001 and Arnold, Voelkle, & Brandmaier (2020) doi:10.3389/fpsyg.2020.564403.

Install

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

install.packages("semtree", 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("brandmaier/semtree")

Development version from brandmaier/semtree. 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-semtree

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-semtree

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-semtree

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: 27.3 min · r-devel-linux-x86_64-fedora-clang

Code health

Yes

Tests · ratio 0.21

33.3%

Coverage · measured lines

100%

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
OK2026-05-20
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-05-19
12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE

Show 2 earlier snapshots

OK2026-04-25
12 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
ERROR2026-03-10
12 OK · 1 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE

Documentation

READMENoVignettesYes · dynamicpkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 67%
Documented parameters: 100%
Return-value docs: 37%
References docs: 59%

Downloads

6.7K

CRAN downloads in the past year

Rank #8,034 · ~18/day · ~562/mo

Releases R versions

Daily download trend is not available in this view yet.

36730 days

1.3K90 days

6.7K1 year

Compare downloads with other packages →

Also on128 r2u30 autocran82 c2d4u

Repository

GitHub ↗ brandmaier/semtree

21Stars

13Forks

18Open issues

1Open PRs

6Releases

525Commits

10Contributors

forestrandomforestdecision-treemultivariatesemstatistical-modelingstructural-equation-modelingstructural-equation-models

License GPL-3.0 · 525 commits · Last activity 2026-03-26 · 0% stars, 30d

Stars over time

2025-07-10 · 192026-07-07 · 21

Repository practices

Upstream repositoryBeta

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

Checks run against github.com/brandmaier/semtree on 2026-07-19.

Continuous integration (1)

GitHub Actions

Reproducibility and dev environment (1)

Makefile

Docs source (1)

README.Rmd

Lint, format, editor (1)

RStudio project

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

Dependencies

Declared dependencies

23 external dependencies (excludes base and recommended)

Depends (2)

R >= 2.10OpenMx

Imports (17)

rpartrpart.plot lavaanclusterggplot2 tidyr dplyrmethodsstrucchange sandwich zoo crayon clisymbols future.apply data.table expm gridBase

LinkingTo (0)

none

Suggests (9)

knitr rmarkdown viridisMASSpsych psychTools testthat future ctsemOMX

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

Code & Tests

Code Composition

R 14,453 (84%)Rd 1,809 (10%)Vignettes 1,041 (6%)

Code characteristics

Object systems

S335

Cyclomatic complexity: 3.0 median / 106 max
Test cases: 57 / 0.21 per code line

Test coverage

Line coverage

33%

Expression

35.5%

Tests / Examples

33.3% / 1% ex

Functions

229 39 exported

Complexity

5.7 avg / 106 max

Call network

229 nodes / 244 edges

Call graph

Open call graph →

Loading call graph…

Lowest coverage

229 functions

Function	Cyclo	Coverage
biodiversity exp	3	0%
boruta exp	14	0%
diversityMatrix exp	7	0%
getLeafs exp	3	0%
getParDiffForest exp	4	0%
getParDiffTree exp	7	0%

Datasets

Bundled datasets · 1

Name	Class	Rows × Cols	Also ships in
lgcm	data.frame	400 × 8	–

People & History

People (5)

Maintainer (1)

Andreas M. Brandmaier

Author, Maintainer

Authors (4)

Andreas M. Brandmaier

Author, Maintainer

Caspar J. Van Lissa

Author · added in 0.9.18

John J. Prindle

Author

Manuel Arnold

Author · added in 0.9.14

Contributors (1)

Moritz John

Contributor · added in 0.9.23

Package Timeline

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

R
R 4.6.0 released · 2026-04-24
0.9.23Latest
2025-11-26 · current release · diff ↗
0.9.22
2025-07-28 · diff ↗
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
0.9.20
2024-04-08 · diff ↗
0.9.19
2023-11-26 · diff ↗
R
R 4.3.0 released · 2023-04-21
0.9.18
2022-05-13 · diff ↗
R
R 4.2.0 released · 2022-04-22
0.9.17
2021-07-30 · diff ↗
unarchivedReturned to CRAN
2021-07-30
archivedRemoved from CRAN
2021-06-28
check problems were not corrected in time
0.9.16
2021-06-11 · diff ↗
R
R 4.1.0 released · 2021-05-18
0.9.15
2021-04-29 · diff ↗

Show 11 earlier events

R
R 4.0.0 released · 2020-04-24
0.9.14
2020-01-07 · diff ↗
R
R 3.6.0 released · 2019-04-26
0.9.13
2018-11-05 · diff ↗
R
R 3.5.0 released · 2018-04-23
0.9.12
2018-02-13 · diff ↗
0.9.11
2017-12-14 · diff ↗
R
R 3.4.0 released · 2017-04-21
0.9.10
2017-04-05 · diff ↗
0.9.9
2016-12-16
R
R 3.3.0 released · 2016-05-03

Package metadata

First published: 2016-12-16
Total releases: 14 / 10 yrs
License: GPL-3 OSI
Minimum R: ≥ 2.10
Bundled data: 15 KB / 1 file
Download size: 435 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Appears in task views

Machine Learning & Statistical Learning Mixed, Multilevel, and Hierarchical Models in R Psychometric Models and Methods

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