l0ara
Sparse Generalized Linear Model with L0 Approximation for Feature Selection
Description
Fits sparse generalized linear models using an adaptive ridge approximation to an L0 penalty. Supported model families include Gaussian, logistic, Poisson, gamma, and inverse Gaussian regression. The package also provides cross-validation for selecting the penalty parameter.
Downloads
492
Last 30 days
8226th
1.3K
Last 90 days
3K
Last year
Trend: +6% (30d vs prior 30d)
24
Last 30 days
125
Last 90 days
404
Last year
Trend: -46.7% (30d vs prior 30d)
2
Last 7 days
22
Last 30 days
0
All-time
autoCRAN-only: this name is served only by autoCRAN, so the count is exact.
CRAN Check Status
Show all 13 flavors
| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | OK |
| r-devel-linux-x86_64-debian-gcc | OK |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-windows-x86_64 | OK |
| r-oldrel-macos-arm64 | OK |
| r-oldrel-macos-x86_64 | OK |
| r-oldrel-windows-x86_64 | OK |
| r-patched-linux-x86_64 | OK |
| r-release-linux-x86_64 | OK |
| r-release-macos-arm64 | OK |
| r-release-macos-x86_64 | OK |
| r-release-windows-x86_64 | OK |
Check History
OK 13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Jun 9, 2026
WARNING 12 OK · 0 NOTE · 1 WARNING · 0 ERROR · 0 FAILURE Jun 8, 2026
for code/documentation mismatches
Fatal error: cannot create 'R_TempDir'
OK 13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 29, 2026
NOTE 9 OK · 5 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 22, 2026
CRAN incoming feasibility
Maintainer: ‘Wenchuan Guo <wguo007@ucr.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Wenchuan",
family = "Guo",
role = c("aut", "cre"),
...[truncated]...
edu"),
person(given = "Shujie",
family = "Ma",
role = "aut"),
person(given = "Zhenqiu",
family = "Liu",
role = "aut"))
as necessary.
CRAN incoming feasibility
Maintainer: ‘Wenchuan Guo <wguo007@ucr.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Wenchuan",
family = "Guo",
role = c("aut", "cre"),
...[truncated]...
edu"),
person(given = "Shujie",
family = "Ma",
role = "aut"),
person(given = "Zhenqiu",
family = "Liu",
role = "aut"))
as necessary.
LazyData
'LazyData' is specified without a 'data' directory
LazyData
'LazyData' is specified without a 'data' directory
LazyData
'LazyData' is specified without a 'data' directory
ERROR 8 OK · 5 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 18, 2026
CRAN incoming feasibility
Maintainer: ‘Wenchuan Guo <wguo007@ucr.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Wenchuan",
family = "Guo",
role = c("aut", "cre"),
...[truncated]...
edu"),
person(given = "Shujie",
family = "Ma",
role = "aut"),
person(given = "Zhenqiu",
family = "Liu",
role = "aut"))
as necessary.
CRAN incoming feasibility
Maintainer: ‘Wenchuan Guo <wguo007@ucr.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Wenchuan",
family = "Guo",
role = c("aut", "cre"),
...[truncated]...
edu"),
person(given = "Shujie",
family = "Ma",
role = "aut"),
person(given = "Zhenqiu",
family = "Liu",
role = "aut"))
as necessary.
whether package can be installed
Installation failed. See 'd:/Rcompile/CRANpkg/local/4.6/l0ara.Rcheck/00install.out' for details.
LazyData
'LazyData' is specified without a 'data' directory
LazyData
'LazyData' is specified without a 'data' directory
LazyData
'LazyData' is specified without a 'data' directory
NOTE 9 OK · 5 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
CRAN incoming feasibility
Maintainer: ‘Wenchuan Guo <wguo007@ucr.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Wenchuan",
family = "Guo",
role = c("aut", "cre"),
...[truncated]...
edu"),
person(given = "Shujie",
family = "Ma",
role = "aut"),
person(given = "Zhenqiu",
family = "Liu",
role = "aut"))
as necessary.
CRAN incoming feasibility
Maintainer: ‘Wenchuan Guo <wguo007@ucr.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Wenchuan",
family = "Guo",
role = c("aut", "cre"),
...[truncated]...
edu"),
person(given = "Shujie",
family = "Ma",
role = "aut"),
person(given = "Zhenqiu",
family = "Liu",
role = "aut"))
as necessary.
LazyData
'LazyData' is specified without a 'data' directory
LazyData
'LazyData' is specified without a 'data' directory
LazyData
'LazyData' is specified without a 'data' directory
Code
Structure
Lines of code
1,136
Files
23
Compiled share
11.5%
Has compiled src
Yes
Language breakdown
API
Exported functions
2
Internal functions
18
Recent export changes
Testing & CI
Has tests
No
Test-to-code ratio
0.00
testthat edition
–
CI present
No
CI type
[]
PR gated
No
Docs
Return-value doc rate
100%
\dontrun example ratio
0%
Roxygen coverage
100%
Has pkgdown
No
NEWS present
Yes
Health & Security signals
Informational signals; not verdicts.
on.exit coverage
0%
Unsafe pattern score
0
Dep constraint coverage
100%
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
–
System requirements
–
C++ standard
–
License
GPL-2
License flags
SPDX valid, OSI approved
History
Versions
5
First release
2016-07-27
Latest release
2026-04-27
Avg cadence
640 days
Cold removal rate
–
Dep drift
0
LOC over versions
Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.