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stcpR6

Sequential Test and Change-Point Detection Algorithms Based on E-Values / E-Detectors

v0.9.8 · Oct 8, 2024 · GPL (>= 3)

Description

Algorithms of nonparametric sequential test and online change-point detection for streams of univariate (sub-)Gaussian, binary, and bounded random variables, introduced in following publications - Shin et al. (2024) <doi:10.48550/arXiv.2203.03532>, Shin et al. (2021) <doi:10.48550/arXiv.2010.08082>.

Downloads

CRAN

237

Last 30 days

20971st

609

Last 90 days

2K

Last year

Trend: +51.9% (30d vs prior 30d)

r2u CRAN

24

Last 30 days

114

Last 90 days

399

Last year

Trend: -40% (30d vs prior 30d)

autoCRAN

7

Last 7 days

11

Last 30 days

4

All-time

autoCRAN-only: this name is served only by autoCRAN, so the count is exact.

CRAN Check Status

13 OK
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
WARNING 12 OK · 0 NOTE · 1 WARNING · 0 ERROR · 0 FAILURE Jun 8, 2026
WARNING r-devel-linux-x86_64-debian-gcc

for code/documentation mismatches

Fatal error: cannot create 'R_TempDir'
OK 12 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 25, 2026
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 22, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is 25.5Mb
  sub-directories of 1Mb or more:
    libs  25.3Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 25.4Mb
  sub-directories of 1Mb or more:
    libs  25.1Mb
ERROR 11 OK · 2 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 18, 2026
ERROR r-devel-windows-x86_64

whether package can be installed

Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.6/stcpR6.Rcheck/00install.out' for details.
NOTE r-oldrel-macos-arm64

installed package size

installed size is 25.5Mb
  sub-directories of 1Mb or more:
    libs  25.3Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 25.4Mb
  sub-directories of 1Mb or more:
    libs  25.1Mb
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is 25.5Mb
  sub-directories of 1Mb or more:
    libs  25.3Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is 25.4Mb
  sub-directories of 1Mb or more:
    libs  25.1Mb

Code

Structure

Lines of code

4,329

Files

49

Compiled share

39.5%

Has compiled src

Yes

Language breakdown

R 1,229 (28.4%)C/C++/src 1,712 (39.5%)Tests 578 (13.4%)Docs 810 (18.7%)

API

Exported functions

9

Internal functions

1

Recent export changes

v0.9.7+1 convertDeltaToExpParams
v0.9.6+8 NormalCS, Stcp, compute_baseline +5 more

Testing & CI

Has tests

Yes

Test-to-code ratio

0.47

testthat edition

3

CI present

No

CI type

[]

PR gated

No

Docs

Return-value doc rate

77.8%

\dontrun example ratio

0%

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

33.3%

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

3

First release

2024-04-08

Latest release

2024-10-08

Avg cadence

92 days

Cold removal rate

Dep drift

0

LOC over versions

v0.9.6: 3,950 LOCv0.9.7: 4,312 LOCv0.9.8: 4,329 LOC

Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.

Dependency Network

Dependencies Reverse dependencies Rcpp R6 stcpR6

Version History

4 tracked
new 0.9.8 Mar 10, 2026
updated 0.9.8 ← 0.9.7 diff Oct 7, 2024
updated 0.9.7 ← 0.9.6 diff Sep 7, 2024
new 0.9.6 Apr 7, 2024