R Observatory: Metrics for NCC version 1.0

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

NCC

1.0Package record

Simulation and Analysis of Platform Trials with Non-Concurrent Controls

0packages depend

3Kdownloads / year

–test coverage

10/13flavors OK

Overview

About

Maintained by Pavla KrotkaCRAN page ↗GitHub ↗Website ↗

Design and analysis of flexible platform trials with non-concurrent controls. Functions for data generation, analysis, visualization and running simulation studies are provided. The implemented analysis methods are described in: Bofill Roig et al. (2022) doi:10.1186/s12874-022-01683-w, Saville et al. (2022) doi:10.1177/17407745221112013 and Schmidli et al. (2014) doi:10.1111/biom.12242.

Install

R (CRAN)pak (dev)Ubuntu (r2u)Fedora (COPR)openSUSE (OBS)

install.packages("NCC", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("pavlakrotka/NCC")

Development version from pavlakrotka/NCC. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-ncc

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled. We list this channel from recorded r2u download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

bspm (used by r2u) also needs make: sudo apt install make

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-NCC

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-NCC

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed). We list this channel from recorded autoCRAN download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

Health

CRAN checks

1ERROR2NOTE10OK

Check messages

ERRORpackage dependenciesr-release-macos-x86_64

Package required but not available: ‘spaMM’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.

NOTEdependencies in R coder-devel-linux-x86_64-fedora-clang, r-devel-linux-x86_64-fedora-gcc

Namespace in Imports field not imported from:
  ‘magick’
All declared Imports should be used.

CRAN check page ↗

Slowest check: 5.8 min · r-oldrel-windows-x86_64

Status changes

ERROR10 OK, 2 NOTE, 1 ERRORNow
ERROR9 OK, 2 NOTE, 1 ERROR2026-04-25
NOTE12 OK, 2 NOTE2026-04-10
ERROR11 OK, 2 NOTE, 1 ERROR2026-04-09
NOTE12 OK, 2 NOTE2026-03-10

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 1.0

READMEYes · 825 wordsVignettesYes · 4 · dynamicNEWSNoCitation fileNoWebsiteYes · pkgdown

Help pages: 34 (1 internal)
Examples that run: 93%28 run in a plain check · 2 only when donttest examples are enabled (R CMD check --as-cran)
Exported functions with examples: 88%
Documented parameters: 100%
Return-value docs: 100%
Help pages citing references: 15%

Vignettes (4)

How these are measured

Downloads

3K

CRAN downloads in the past year

Rank #13,637 · ~8/day · ~249/mo

Releases R versions

Daily download trend is not available in this view yet.

26130 days

86490 days

3K1 year

Compare downloads with other packages →

Also on82 r2u5 autocran

How downloads are counted

Repository

pavlakrotka/ncc ↗Account: pavlakrotka

5Stars

4Forks

0Open issues

0Open PRs

5Releases

286Commits

3Commit identities

clinical-trialsplatform-trialssimulationstatistical-inference

286 commits · Last activity 2025-03-10

Responsiveness

How these are sampled

PRs merged (all time): 100%
Median days to close, 50 most recently updated closed issues: not measured
Median days to close, 50 most recently updated closed PRs: 0

How these are measured

PracticesBeta

4 development-tooling and community-health practices detected across 2 families in the upstream repository

Checks run against github.com/pavlakrotka/ncc on 2026-10-25.

Docs source (3)

README.Rmdpkgdown

GitHub Pages site last deployed 2025-03-10

Lint, format, editor (1)

RStudio project

How this is detected·Detection ruleset v4 (2026-10-20)

Dependencies

Declared dependencies

13 external dependencies (excludes base and recommended)

Installing NCC adds 93 packages (49 with compiled code, 87 MB of source tarballs). Heaviest: BH 14 MB, stringi 11 MB, ggplot2 6.0 MB.

Depends (0)

none

Imports (15)

rlangstatsRBesT rjags ggplot2 lmerTestparalleldoParallel parallelly foreach iterators spaMMmgcvsplinesmagick

LinkingTo (0)

none

Suggests (2)

rmarkdown knitr

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

How these are counted

Code & Tests

People & History

People (6)

Pavla Krotka

Author, Maintainer since 1.0 (2023)

Marta Bofill Roig

Author, Thesis advisor

Author

Author

Author

Contributor

Releases (1)

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
R
R 4.3.0 released · 2023-04-21
1.0Latest
record
2023-03-03 · current release
R
R 4.2.0 released · 2022-04-22

Package metadata

First published: 2023-03-03
Total releases: 1 / 3 yrs
License: MIT + file LICENSE OSI
Download size: 504 KB

Appears in task views

Clinical Trial Design, Monitoring, Analysis and Reporting

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("NCC")

Format

Krotka, P., Bofill Roig, M., Hees, K., Jacko, P., Magirr, D., & Posch, M. (2023). NCC: Simulation and Analysis of Platform Trials with Non-Concurrent Controls (Version 1.0) [Computer software]. https://doi.org/10.32614/CRAN.package.NCC

This package has no citation file, so citation() returns this entry built from DESCRIPTION.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

Format

APA

Balamuta, J. J. (2026). R Observatory: Metrics for NCC version 1.0 [Data set]. HJJB, LLC. Data release v2026-10-26. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-26, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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