R Observatory
Search
install.packages("lessSEM")
CRAN 30-day downloads, method
319−15.4% down on the 30 days before, the worse direction

Provides regularized structural equation modeling (regularized SEM) with non-smooth penalty functions (e.g., lasso) building on 'lavaan'. The package is heavily inspired by the ['regsem'](<https://github.com/Rjacobucci/regsem>) and ['lslx'](<https://github.com/psyphh/lslx>) packages.

Maintainer
Jannik H. Orzek
Licence
GPL (>= 2)
Latest release
18 Oct 2025
First release
6 Apr 2023

Compare with another package

More details
Releases
6
Needs compilation
Yes
Needs R
>= 4.1.0
RoxygenNote
7.3.2
SystemRequirements
GNU make, C++17
Subjects (1) Method, Subjects
Cite

Package

Run in R for the authors' entry:

citation("lessSEM")

The package provides a citation file, so citation() returns the authors' own entry.

It points to 10.1080/10705511.2023.2189070, 10.1080/10705511.2016.1154793, 10.1007/s11336-017-9566-9, 10.1111/bmsp.12130.

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 lessSEM version 1.5.7 [Data set]. HJJB, LLC. Data release v2026-10-26. https://doi.org/10.5281/zenodo.21843040
About

From data release v2026-10-26, which the citation names so these numbers can be found later.

All 13 check platforms pass.

  • r-devel-linux-x86_64-debian-clang

    The unreleased R on Linux, x86_64, debian-clang

    OK

    Version checked
    1.5.7
    Time taken
    698 s
  • r-devel-linux-x86_64-debian-gcc

    The unreleased R on Linux, x86_64, debian-gcc

    OK

    Version checked
    1.5.7
    Time taken
    545 s
  • r-devel-linux-x86_64-fedora-clang

    The unreleased R on Linux, x86_64, fedora-clang

    OK

    Version checked
    1.5.7
    Time taken
    457 s
  • r-devel-linux-x86_64-fedora-gcc

    The unreleased R on Linux, x86_64, fedora-gcc

    OK

    Version checked
    1.5.7
    Time taken
    563 s
  • r-devel-windows-x86_64

    The unreleased R on Windows, x86_64

    OK

    Version checked
    1.5.7
    Time taken
    888 s
  • r-oldrel-macos-arm64

    The previous release of R on macOS, arm64

    OK

    Version checked
    1.5.7
  • r-oldrel-macos-x86_64

    The previous release of R on macOS, x86_64

    OK

    Version checked
    1.5.7
    Time taken
    435 s
  • r-oldrel-windows-x86_64

    The previous release of R on Windows, x86_64

    OK

    Version checked
    1.5.7
    Time taken
    1,127 s
  • r-patched-linux-x86_64

    The patched release of R on Linux, x86_64

    OK

    Version checked
    1.5.7
    Time taken
    741 s
  • r-release-linux-x86_64

    The current release of R on Linux, x86_64

    OK

    Version checked
    1.5.7
    Time taken
    717 s
  • r-release-macos-arm64

    The current release of R on macOS, arm64

    OK

    Version checked
    1.5.7
    Time taken
    96 s
  • r-release-macos-x86_64

    The current release of R on macOS, x86_64

    OK

    Version checked
    1.5.7
    Time taken
    497 s
  • r-release-windows-x86_64

    The current release of R on Windows, x86_64

    OK

    Version checked
    1.5.7
    Time taken
    867 s
  • 13 OK

Over time

No change since 5 Aug 2026

As a list (6)
ChangedWorst statusOKNotesWarningsErrors
5 Aug 2026OK13000
1 Aug 2026Note12100
2 May 2026OK13000
22 Apr 2026Note11300
18 Apr 2026Error10301
10 Mar 2026Note11300

Since March 2026

Check results on CRAN

Total downloads in the last 30 days
325−20.9% down on the 30 days before, the worse directionIt is the sum of 3 channels: CRAN, r2u and autoCRAN.

CRAN rank

12,296 of 26,529

CRAN

319 downloads in the last 30 days

Rank
12,296 of 26,529
Change
−15.4% down on the 30 days before, the worse direction

It is in the total. Take it out

r2u

2 downloads in the last 30 days

Rank
14,902 of 30,526
Change
−88.2% down on the 30 days before, the worse direction

It is in the total. Take it out

autoCRAN

4 downloads in the last 30 days

Rank
13,361 of 29,130
Change
−76.5% down on the 30 days before, the worse direction

It is in the total. Take it out

Over time

Compare downloads

Needs
15
Dependent packages
0
Suggested by
0
Needs (15)
Installing it adds
39 packages, 34.7 MB of source
Of those, need compilation
23
Optional extras (4)
Functions
316
Public exports
71
Lines of R code
17,012
Median complexity
3
Functions (316)
Size and composition

Lines by kind (41,132)

KindLinesShare
R code17,01241%
Documentation13,05932%
Guides4,68711%
Compiled code6,37415%

Lines by language

LanguageLinesShare
R17,01241%
Rd13,02932%
C++5,26913%
Vignettes4,68711%
C1,1053%
Other300.1%

Languages are counted from file extensions.

Files
449
R functions
144
Compiled functions
177
Object systems
S4: 48 classes, S4: 2 generics, S4: 45 methods
Complexity
Median
3
Mean
5.74
Highest
82
Median lines per function
27
About complexity

Cyclomatic complexity counts the independent paths through a function: 1 is a straight line, higher is harder to test. R functions only.

Call graph figures
R functions
144
Calls
258
Unconnected
15
Groups
6
Growth (6 releases)
Total lines by release
37,875 on 6 Apr 202341,132 on 18 Oct 2025
Release changes

The package was built and has no tests to run.

Lines of tests
0
Exports named in tests
0%
Test suite
Has tests
No
Test frameworks
No tests in this release
Test lines per line of code
0
Exports documented
100%
Arguments documented
99.1%
Return value documented
100%
Help pages with examples
25.1%
Examples run in checks
85.5%
Guides (10)
Other documentation
README
Yes, 1,889 words
Release notes file
Yes
Help pages
275
Lines of documentation
13,059
Earlier names (1)
  • Yves Rosseel

jhorzek / lesssem on github.com

Stars
7
Forks
1
Open issues
5
Last commit
18 Oct 2025
Activity
Commits
974
Open pull requests
0
Tagged releases
0
Latest tagged release
–
Issues closed in
2 days (median)
Pull requests closed in
0 days (median)
Pull requests merged
90%
Created
5 Apr 2022
Licence file reads as
GPL-2.0
Development practices (8)
KindFound
Continuous integrationGitHub Actions, R CMD check workflow
The R CMD check workflow runs on Linux, macOS and Windows, and on R-devel
Docs sourceREADME.Rmd, pkgdown
GitHub Pages site last deployed 2024-03-09
The repository has a site deploy workflow
Lint, format, editorRStudio project
Git structuralSubmodules

Method, repository practices

Across jhorzek

R releases
  • On CRAN
  • Release
VersionReleasedR
1.5.7 current18 Oct 20254.5.1
1.5.625 Aug 20254.5.1
1.5.522 Jan 20244.3.2
1.5.49 Jan 20244.3.2
1.5.225 Jun 20234.3.1
1.4.166 Apr 20234.2.3