Description
Testing non-nested models via theory supplied by Vuong (1989) <DOI:10.2307/1912557>. Includes tests of model distinguishability and of model fit that can be applied to both nested and non-nested models. Also includes functionality to obtain confidence intervals associated with AIC and BIC. This material is partially based on work supported by the National Science Foundation under Grant Number SES-1061334.
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17.3K
Last 30 days
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59.2K
Last 90 days
224.7K
Last year
Trend: -21.9% (30d vs prior 30d)
44
Last 30 days
313
Last 90 days
3.9K
Last year
Trend: -33.3% (30d vs prior 30d)
3
Last 7 days
26
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 · 0 FAILURE Apr 25, 2026
NOTE 13 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
package dependencies
Package suggested but not available for checking: 'OpenMx'
Code
Structure
Lines of code
1,972
Files
20
Compiled share
0%
Has compiled src
No
Language breakdown
API
Exported functions
3
Internal functions
23
Testing & CI
Has tests
Yes
Test-to-code ratio
0.42
testthat edition
–
CI present
No
CI type
[]
PR gated
No
Docs
Return-value doc rate
100%
\dontrun example ratio
66.7%
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
20%
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
3.0.0
System requirements
–
C++ standard
–
License
GPL-2 | GPL-3
License flags
SPDX valid, OSI approved
History
Versions
15
First release
2014-08-02
Latest release
2026-04-01
Avg cadence
240 days
Cold removal rate
–
Dep drift
2
LOC over versions
Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.