Description
Online PCA for multivariate and functional data using perturbation methods, low-rank incremental methods, and stochastic optimization methods.
Downloads
298
Last 30 days
15706th
696
Last 90 days
2.6K
Last year
Trend: +81.7% (30d vs prior 30d)
24
Last 30 days
114
Last 90 days
404
Last year
Trend: -40% (30d vs prior 30d)
4
Last 7 days
6
Last 30 days
1
All-time
autoCRAN-only: this name is served only by autoCRAN, so the count is exact.
59
Last 30 days
188
Last 90 days
1.5K
Last year
Trend: -35.2% (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: ‘David Degras <ddegrasv@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "David",
family = "Degras",
role = c("aut", "cre"),
email = "ddegrasv@gmail.com"),
person(given = "Herve",
family = "Cardot",
role = "ctb"))
as necessary.
CRAN incoming feasibility
Maintainer: ‘David Degras <ddegrasv@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "David",
family = "Degras",
role = c("aut", "cre"),
email = "ddegrasv@gmail.com"),
person(given = "Herve",
family = "Cardot",
role = "ctb"))
as necessary.
Check History
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 22, 2026
CRAN incoming feasibility
Maintainer: ‘David Degras <ddegrasv@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "David",
family = "Degras",
role = c("aut", "cre"),
email = "ddegrasv@gmail.com"),
person(given = "Herve",
family = "Cardot",
role = "ctb"))
as necessary.
CRAN incoming feasibility
Maintainer: ‘David Degras <ddegrasv@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "David",
family = "Degras",
role = c("aut", "cre"),
email = "ddegrasv@gmail.com"),
person(given = "Herve",
family = "Cardot",
role = "ctb"))
as necessary.
ERROR 11 OK · 2 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 18, 2026
CRAN incoming feasibility
Maintainer: ‘David Degras <ddegrasv@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "David",
family = "Degras",
role = c("aut", "cre"),
email = "ddegrasv@gmail.com"),
person(given = "Herve",
family = "Cardot",
role = "ctb"))
as necessary.
CRAN incoming feasibility
Maintainer: ‘David Degras <ddegrasv@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "David",
family = "Degras",
role = c("aut", "cre"),
email = "ddegrasv@gmail.com"),
person(given = "Herve",
family = "Cardot",
role = "ctb"))
as necessary.
whether package can be installed
Installation failed. See 'd:/Rcompile/CRANpkg/local/4.6/onlinePCA.Rcheck/00install.out' for details.
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
CRAN incoming feasibility
Maintainer: ‘David Degras <ddegrasv@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "David",
family = "Degras",
role = c("aut", "cre"),
email = "ddegrasv@gmail.com"),
person(given = "Herve",
family = "Cardot",
role = "ctb"))
as necessary.
CRAN incoming feasibility
Maintainer: ‘David Degras <ddegrasv@gmail.com>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: c(person(given = "David",
family = "Degras",
role = c("aut", "cre"),
email = "ddegrasv@gmail.com"),
person(given = "Herve",
family = "Cardot",
role = "ctb"))
as necessary.
Code & tests
Open call graph →Code intelligence has not been computed for this package yet.
Code
Structure
Lines of code
1,933
Files
45
Compiled share
9.8%
Has compiled src
Yes
Language breakdown
API
Exported functions
17
Internal functions
4
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
100%
\dontrun example ratio
11.8%
Roxygen coverage
100%
Has pkgdown
No
NEWS present
Yes
Health & Security signals
Informational signals; not verdicts.
on.exit coverage
–
Unsafe pattern score
0
Dep constraint coverage
25%
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
3.0.2
System requirements
–
C++ standard
–
License
GPL-3
License flags
SPDX valid, OSI approved
History
Versions
6
First release
2014-12-10
Latest release
2023-11-15
Avg cadence
216 days
Cold removal rate
–
Dep drift
3
LOC over versions
Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.