L2E
Robust Structured Regression via the L2 Criterion
Description
An implementation of a computational framework for performing robust structured regression with the L2 criterion from Chi and Chi (2021+). Improvements using the majorization-minimization (MM) principle from Liu, Chi, and Lange (2022+) added in Version 2.0.
Downloads
292
Last 30 days
16171st
702
Last 90 days
2.9K
Last year
Trend: +72.8% (30d vs prior 30d)
0
Last 30 days
24
Last 90 days
95
Last year
Trend: -100% (30d vs prior 30d)
2
Last 7 days
16
Last 30 days
1
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 | 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 | 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 details (4 non-OK)
CRAN incoming feasibility
Maintainer: ‘Jocelyn Chi <jocetchi@gmail.com>’ Package CITATION file contains call(s) to old-style citEntry(). Please use bibentry() instead.
CRAN incoming feasibility
Maintainer: ‘Jocelyn Chi <jocetchi@gmail.com>’ Package CITATION file contains call(s) to old-style citEntry(). Please use bibentry() instead.
dependencies in R code
Namespace in Imports field not imported from: ‘robustbase’ All declared Imports should be used.
dependencies in R code
Namespace in Imports field not imported from: ‘robustbase’ All declared Imports should be used.
Check History
NOTE 10 OK · 4 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
CRAN incoming feasibility
Maintainer: ‘Jocelyn Chi <jocetchi@gmail.com>’ Package CITATION file contains call(s) to old-style citEntry(). Please use bibentry() instead.
CRAN incoming feasibility
Maintainer: ‘Jocelyn Chi <jocetchi@gmail.com>’ Package CITATION file contains call(s) to old-style citEntry(). Please use bibentry() instead.
dependencies in R code
Namespace in Imports field not imported from: ‘robustbase’ All declared Imports should be used.
dependencies in R code
Namespace in Imports field not imported from: ‘robustbase’ All declared Imports should be used.
Code
Structure
Lines of code
5,175
Files
87
Compiled share
0%
Has compiled src
No
Language breakdown
API
Exported functions
20
Internal functions
25
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
No
Health & Security signals
Informational signals; not verdicts.
on.exit coverage
–
Unsafe pattern score
0
Dep constraint coverage
0%
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
3.5.0
System requirements
–
C++ standard
–
License
GPL (>= 2)
License flags
SPDX valid, OSI approved
History
Versions
2
First release
2022-01-07
Latest release
2022-09-08
Avg cadence
244 days
Cold removal rate
100%
Dep drift
5
LOC over versions
Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.