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lessSEM

Non-Smooth Regularization for Structural Equation Models

v1.5.7 · Oct 18, 2025 · GPL (>= 2)

Description

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.

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CRAN Check Status

7 NOTE
7 OK
Show all 14 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang NOTE
r-devel-linux-x86_64-debian-gcc NOTE
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 NOTE
r-oldrel-macos-arm64 NOTE
r-oldrel-macos-x86_64 NOTE
r-oldrel-windows-x86_64 NOTE
r-patched-linux-x86_64 NOTE
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK
Check details (10 non-OK)
NOTE r-devel-linux-x86_64-debian-clang

compiled code

File ‘lessSEM/libs/lessSEM.so’:
  Found non-API call to R: ‘R_UnboundValue’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.
NOTE r-devel-linux-x86_64-debian-gcc

compiled code

File ‘lessSEM/libs/lessSEM.so’:
  Found non-API call to R: ‘R_UnboundValue’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.
NOTE r-devel-windows-x86_64

compiled code

File 'lessSEM/libs/x64/lessSEM.dll':
  Found non-API call to R: 'R_UnboundValue'

Compiled code should not call non-API entry points in R.

See 'Writing portable packages' in the 'Writing R Extensions' manual,
and section 'Moving into C API compliance' for issues with the use of
non-API entry points.
NOTE r-oldrel-macos-arm64

for GNU extensions in Makefiles

GNU make is a SystemRequirements.
NOTE r-oldrel-macos-arm64

installed package size

installed size is 48.6Mb
  sub-directories of 1Mb or more:
    help   1.1Mb
    libs  45.6Mb
NOTE r-oldrel-macos-x86_64

for GNU extensions in Makefiles

GNU make is a SystemRequirements.
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 47.2Mb
  sub-directories of 1Mb or more:
    help   1.1Mb
    libs  44.3Mb
NOTE r-oldrel-windows-x86_64

for GNU extensions in Makefiles

GNU make is a SystemRequirements.
NOTE r-oldrel-windows-x86_64

installed package size

installed size is  6.9Mb
  sub-directories of 1Mb or more:
    help   1.2Mb
    libs   4.0Mb
NOTE r-patched-linux-x86_64

compiled code

File ‘lessSEM/libs/lessSEM.so’:
  Found non-API call to R: ‘R_UnboundValue’

Compiled code should not call non-API entry points in R.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual,
and section ‘Moving into C API compliance’ for issues with the use of
non-API entry points.

Check History

NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is 48.6Mb
  sub-directories of 1Mb or more:
    help   1.1Mb
    libs  45.6Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 47.2Mb
  sub-directories of 1Mb or more:
    help   1.1Mb
    libs  44.3Mb
NOTE r-oldrel-windows-x86_64

installed package size

installed size is  6.9Mb
  sub-directories of 1Mb or more:
    help   1.2Mb
    libs   4.0Mb

Dependency Network

Dependencies Reverse dependencies lavaan Rcpp RcppArmadillo RcppParallel ggplot2 ggrepel tidyr stringr numDeriv rlang mvtnorm lessSEM

Version History

new 1.5.7 Mar 10, 2026
updated 1.5.7 ← 1.5.6 diff Oct 17, 2025
updated 1.5.6 ← 1.5.5 diff Aug 24, 2025
updated 1.5.5 ← 1.5.4 diff Jan 21, 2024
updated 1.5.4 ← 1.5.2 diff Jan 8, 2024
updated 1.5.2 ← 1.4.16 diff Jun 24, 2023
new 1.4.16 Apr 5, 2023