Description
The free group in R; juxtaposition is represented by a plus. Includes inversion, multiplication by a scalar, group-theoretic power operation, and Tietze forms. To cite the package in publications please use Hankin (2022) <doi:10.48550/ARXIV.2212.05883>.
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CRAN Check Status
1
ERROR
13
OK
Show all 14 flavors
| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | OK |
| r-devel-linux-x86_64-debian-gcc | ERROR |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-macos-arm64 | 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 details (1 non-OK)
ERROR
r-devel-linux-x86_64-debian-gcc
tests
Running ‘testthat.R’ [25s/30s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
> library("testthat")
> test_check("freegroup")
Loading required package: freegroup
Loading required package: plyr
Attaching package: 'freegroup'
The following object is masked from 'package:plyr':
id
The following object is masked from 'package:base':
is.primitive
Saving _problems/test_aab-4.R
[ FAIL 1 | WARN 0 | SKIP 0 | PASS 459 ]
══ Failed tests ════════════════════════════════════════════════════════════════
── Failure ('test_aab.R:4:5'): Test suite aab.R ────────────────────────────────
Expected `all(X == autosub(autosub(X, "a", S), "a", -S))` to be TRUE.
Differences:
`actual`: FALSE
`expected`: TRUE
Backtrace:
▆
1. └─freegroup (local) autosub_checker(X = rfree(n, r), S = discard(rfree(1, r), "a")) at test_aab.R:19:9
2. └─testthat::expect_true(...) at test_aab.R:4:5
[ FAIL 1 | WARN 0 | SKIP 0 | PASS 459 ]
Error:
! Test failures.
Execution halted
Check History
ERROR 13 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 6, 2026
ERROR
r-devel-linux-x86_64-debian-gcc
tests
Running ‘testthat.R’ [25s/30s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
> library("testthat")
> test_check("freegroup")
Loading required package: freegroup
Loading required package: plyr
Attaching package: 'freegr
...[truncated]...
└─freegroup (local) autosub_checker(X = rfree(n, r), S = discard(rfree(1, r), "a")) at test_aab.R:19:9
2. └─testthat::expect_true(...) at test_aab.R:4:5
[ FAIL 1 | WARN 0 | SKIP 0 | PASS 459 ]
Error:
! Test failures.
Execution halted
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 2, 2026
ERROR 13 OK · 0 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 1, 2026
ERROR
r-devel-linux-x86_64-debian-gcc
tests
Running ‘testthat.R’ [25s/30s]
Running the tests in ‘tests/testthat.R’ failed.
Complete output:
> library("testthat")
> test_check("freegroup")
Loading required package: freegroup
Loading required package: plyr
Attaching package: 'freegr
...[truncated]...
└─freegroup (local) autosub_checker(X = rfree(n, r), S = discard(rfree(1, r), "a")) at test_aab.R:19:9
2. └─testthat::expect_true(...) at test_aab.R:4:5
[ FAIL 1 | WARN 0 | SKIP 0 | PASS 459 ]
Error:
! Test failures.
Execution halted
OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
Dependency Network
Version History
new
1.2-0
Mar 10, 2026
new
1.0
May 15, 2018