Dykstra
Quadratic Programming using Cyclic Projections
Description
Solves quadratic programming problems using Richard L. Dykstra's cyclic projection algorithm. Routine allows for a combination of equality and inequality constraints. See Dykstra (1983) <doi:10.1080/01621459.1983.10477029> for details.
Downloads
229
Last 30 days
21699th
614
Last 90 days
2.5K
Last year
Trend: +46.8% (30d vs prior 30d)
0
Last 30 days
24
Last 90 days
98
Last year
Trend: -100% (30d vs prior 30d)
2
Last 7 days
10
Last 30 days
0
All-time
autoCRAN-only: this name is served only by autoCRAN, so the count is exact.
4
Last 30 days
14
Last 90 days
32
Last year
Trend: -50% (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: ‘Nathaniel E. Helwig <helwig@umn.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: person(given = c("Nathaniel", "E."),
family = "Helwig",
role = c("aut", "cre"),
email = "helwig@umn.edu")
as necessary.
CRAN incoming feasibility
Maintainer: ‘Nathaniel E. Helwig <helwig@umn.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: person(given = c("Nathaniel", "E."),
family = "Helwig",
role = c("aut", "cre"),
email = "helwig@umn.edu")
as necessary.
Check History
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
CRAN incoming feasibility
Maintainer: ‘Nathaniel E. Helwig <helwig@umn.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: person(given = c("Nathaniel", "E."),
family = "Helwig",
role = c("aut", "cre"),
email = "helwig@umn.edu")
as necessary.
CRAN incoming feasibility
Maintainer: ‘Nathaniel E. Helwig <helwig@umn.edu>’
No Authors@R field in DESCRIPTION.
Please add one, modifying
Authors@R: person(given = c("Nathaniel", "E."),
family = "Helwig",
role = c("aut", "cre"),
email = "helwig@umn.edu")
as necessary.
Code & tests
Open call graph →Line coverage
–
Expression
–
Tests / Examples
–
Functions
2 0 exported
Complexity
16 avg / 30 max
Call network
2 nodes / 0 edges
Test coverage has not been measured for this package yet; nodes fall back to a neutral fill.
Lowest coverage
Per-function coverage is not measured for this package yet.
Code
Structure
Lines of code
352
Files
7
Compiled share
0%
Has compiled src
No
Language breakdown
API
Exported functions
0
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
–
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
–
System requirements
–
C++ standard
–
License
GPL (>= 2)
License flags
SPDX valid, OSI approved
History
Versions
1
First release
2018-02-09
Latest release
2018-02-09
Avg cadence
–
Cold removal rate
–
Dep drift
0
Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.
Version History
1 trackedR Observatory began tracking this package on Mar 10, 2026; it first appeared on CRAN Feb 9, 2018. Releases before tracking aren’t shown.