Description
Convenience functions for implementing extended two-way fixed effect regressions a la Wooldridge (2023, 2025) <doi:10.1093/ectj/utad016>, <doi:10.1007/s00181-025-02807-z>.
Downloads
923
Last 30 days
3742nd
2.7K
Last 90 days
7.5K
Last year
Trend: -0.3% (30d vs prior 30d)
4
Last 30 days
33
Last 90 days
126
Last year
Trend: -55.6% (30d vs prior 30d)
2
Last 7 days
13
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
ERROR 12 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Jun 8, 2026
tests
Running ‘tinytest.R’ [7s/9s]
Running the tests in ‘tests/tinytest.R’ failed.
Complete output:
>
> if ( requireNamespace("tinytest", quietly=TRUE) ){
+ tinytest::test_package("etwfe")
+ }
test_baker.R.................. 0 tests
...[truncated]...
test_baker.R.................. 5 tests OK 7.6s
Error in find.package(package, lib.loc, verbose = verbose) :
there is no package called 'did'
Calls: <Anonymous> ... lapply -> FUN -> eval -> eval -> data -> find.package
Execution halted
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 28, 2026
ERROR 10 OK · 0 NOTE · 0 WARNING · 4 ERROR · 0 FAILURE Mar 18, 2026
tests
Running ‘tinytest.R’ [74s/95s]
Running the tests in ‘tests/tinytest.R’ failed.
Complete output:
>
> if ( requireNamespace("tinytest", quietly=TRUE) ){
+ tinytest::test_package("etwfe")
+ }
test_baker.R.................. 0 tests
...[truncated]...
iff| Attributes: < Names: 1 string mismatch >
----- FAILED[attr]: test_etwfe.R<478--478>
call| expect_equal(fixest::coeftable(m3p), m3p_known)
diff| Attributes: < Names: 1 string mismatch >
Error: 6 out of 71 tests failed
Execution halted
tests
Running ‘tinytest.R’ [196s/226s]
Running the tests in ‘tests/tinytest.R’ failed.
Complete output:
>
> if ( requireNamespace("tinytest", quietly=TRUE) ){
+ tinytest::test_package("etwfe")
+ }
test_baker.R.................. 0 tests
...[truncated]...
iff| Attributes: < Names: 1 string mismatch >
----- FAILED[attr]: test_etwfe.R<478--478>
call| expect_equal(fixest::coeftable(m3p), m3p_known)
diff| Attributes: < Names: 1 string mismatch >
Error: 6 out of 71 tests failed
Execution halted
tests
Running ‘tinytest.R’ [209s/560s]
Running the tests in ‘tests/tinytest.R’ failed.
Complete output:
>
> if ( requireNamespace("tinytest", quietly=TRUE) ){
+ tinytest::test_package("etwfe")
+ }
test_baker.R.................. 0 tests
...[truncated]...
iff| Attributes: < Names: 1 string mismatch >
----- FAILED[attr]: test_etwfe.R<478--478>
call| expect_equal(fixest::coeftable(m3p), m3p_known)
diff| Attributes: < Names: 1 string mismatch >
Error: 6 out of 71 tests failed
Execution halted
tests
Running ‘tinytest.R’ [81s/178s]
Running the tests in ‘tests/tinytest.R’ failed.
Complete output:
>
> if ( requireNamespace("tinytest", quietly=TRUE) ){
+ tinytest::test_package("etwfe")
+ }
test_baker.R.................. 0 tests
...[truncated]...
iff| Attributes: < Names: 1 string mismatch >
----- FAILED[attr]: test_etwfe.R<478--478>
call| expect_equal(fixest::coeftable(m3p), m3p_known)
diff| Attributes: < Names: 1 string mismatch >
Error: 6 out of 71 tests failed
Execution halted
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
Code
Structure
Lines of code
2,398
Files
23
Compiled share
0%
Has compiled src
No
Language breakdown
API
Exported functions
2
Internal functions
1
Testing & CI
Has tests
Yes
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
100%
Roxygen coverage
100%
Has pkgdown
No
NEWS present
Yes
Health & Security signals
Informational signals; not verdicts.
on.exit coverage
100%
Unsafe pattern score
0
Dep constraint coverage
66.7%
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
–
System requirements
–
C++ standard
–
License
MIT + file LICENSE
License flags
SPDX valid, OSI approved
History
Versions
13
First release
2022-12-14
Latest release
2026-03-23
Avg cadence
46 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.