savvySh
Slab and Shrinkage Linear Regression Estimation
Description
Implements a suite of shrinkage estimators for multivariate linear regression to improve estimation stability and predictive accuracy. Provides methods including the Stein estimator, Diagonal Shrinkage, the general Shrinkage estimator (solving a Sylvester equation), and Slab Regression (Simple and Generalized). These methods address Stein's paradox by introducing structured bias to reduce variance without requiring cross-validation, except for 'ShrinkageRR' where the intensity is chosen by minimizing an explicit Mean Squared Error (MSE) criterion. Methods are based on Asimit, V., Cidota, M. A., Chen, Z., and Asimit, J. (2025) <https://openaccess.city.ac.uk/id/eprint/35005/>.
Downloads
489
Last 30 days
8334th
1.5K
Last 90 days
2.1K
Last year
Trend: +1.2% (30d vs prior 30d)
0
Last 30 days
21
Last 90 days
33
Last year
Trend: -100% (30d vs prior 30d)
8
Last 7 days
12
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 | 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 12 OK · 0 NOTE · 0 WARNING · 0 ERROR · 1 FAILURE Jun 8, 2026
for unstated dependencies in vignettes
ERROR 12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Jun 7, 2026
re-building of vignette outputs
Error(s) in re-building vignettes:
...
--- re-building ‘savvySh.Rmd’ using rmarkdown
Warning in file("", "w+b") :
cannot open file '/tmp/RtmpBohJL0/Rfc4e793e93b3c1': No space left on device
Quitting from savvySh.Rmd:323-351 [unnamed-chunk-4]
~~~
...[truncated]...
~
Error: processing vignette 'savvySh.Rmd' failed with diagnostics:
cannot open the connection
--- failed re-building ‘savvySh.Rmd’
SUMMARY: processing the following file failed:
‘savvySh.Rmd’
Error: Vignette re-building failed.
Execution halted
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
Code
Structure
Lines of code
2,912
Files
27
Compiled share
0%
Has compiled src
No
Language breakdown
API
Exported functions
1
Internal functions
17
Recent export changes
Testing & CI
Has tests
Yes
Test-to-code ratio
0.32
testthat edition
3
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
3.6.0
System requirements
–
C++ standard
–
License
GPL (>= 3)
License flags
SPDX valid, OSI approved
History
Versions
2
First release
2026-03-03
Latest release
2026-03-08
Avg cadence
5 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.