Description
This function conducts the Cochran-Armitage trend test to a 2 by k contingency table. It will report the test statistic (Z) and p-value.A linear trend in the frequencies will be calculated, because the weights (0,1,2) will be used by default.
Downloads
263
Last 30 days
18590th
765
Last 90 days
3.2K
Last year
Trend: +21.8% (30d vs prior 30d)
1
Last 30 days
27
Last 90 days
118
Last year
Trend: -90.9% (30d vs prior 30d)
4
Last 7 days
14
Last 30 days
1
All-time
autoCRAN-only: this name is served only by autoCRAN, so the count is exact.
49
Last 30 days
149
Last 90 days
890
Last year
Trend: -34.7% (30d vs prior 30d)
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 | 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 details (2 non-OK)
CRAN incoming feasibility
Maintainer: ‘Zhicheng Du<dgdzc@hotmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Zhicheng",
family = "Du",
role = c("aut", "cre"),
email = "dgdzc@hotmail.com"),
person(given = "Yuantao",
family = "Hao",
role = "aut"))
as necessary.
Found the following \keyword or \concept entries
which likely give several index terms:
File ‘CATT.Rd’:
\keyword{Cochran-Armitage; Trend Test}
CRAN incoming feasibility
Maintainer: ‘Zhicheng Du<dgdzc@hotmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Zhicheng",
family = "Du",
role = c("aut", "cre"),
email = "dgdzc@hotmail.com"),
person(given = "Yuantao",
family = "Hao",
role = "aut"))
as necessary.
Found the following \keyword or \concept entries
which likely give several index terms:
File ‘CATT.Rd’:
\keyword{Cochran-Armitage; Trend Test}
Check History
NOTE 9 OK · 5 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
CRAN incoming feasibility
Maintainer: ‘Zhicheng Du<dgdzc@hotmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Zhicheng",
family = "Du",
role = c("aut", "cre"),
...[truncated]...
"Yuantao",
family = "Hao",
role = "aut"))
as necessary.
Found the following \keyword or \concept entries
which likely give several index terms:
File ‘CATT.Rd’:
\keyword{Cochran-Armitage; Trend Test}
CRAN incoming feasibility
Maintainer: ‘Zhicheng Du<dgdzc@hotmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "Zhicheng",
family = "Du",
role = c("aut", "cre"),
...[truncated]...
"Yuantao",
family = "Hao",
role = "aut"))
as necessary.
Found the following \keyword or \concept entries
which likely give several index terms:
File ‘CATT.Rd’:
\keyword{Cochran-Armitage; Trend Test}
LazyData
'LazyData' is specified without a 'data' directory
LazyData
'LazyData' is specified without a 'data' directory
LazyData
'LazyData' is specified without a 'data' directory
Code
Structure
Lines of code
86
Files
5
Compiled share
0%
Has compiled src
No
Language breakdown
API
Exported functions
1
Internal functions
0
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
–
\dontrun example ratio
0%
Roxygen coverage
–
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
–
System requirements
–
C++ standard
–
License
GPL-3
License flags
SPDX valid, OSI approved
History
Versions
2
First release
2017-02-22
Latest release
2017-05-19
Avg cadence
86 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.