Rarr
Bioc currentRead Zarr Files in R
Release Lineage
Entered 3.17 · Apr 26, 2023
Current · Requires R 4.6
Description
The Zarr specification defines a format for chunked, compressed, N-dimensional arrays. It's design allows efficient access to subsets of the stored array, and supports both local and cloud storage systems. Rarr aims to implement this specification in R with minimal reliance on an external tools or libraries.
None published for Bioconductor
Test coverage
Line coverage
–
Expression
–
Tests / Examples
–
Functions
1744 16 exported
Complexity
3.8 avg / 13 max
Call network
1744 nodes / 2746 edges
Test coverage is not measured for Bioconductor packages; nodes fall back to a neutral fill.
Call graph
Open call graph →Lowest coverage
Per-function coverage is not measured for this package yet.
Code
Structure
Lines of code
73,351
Files
604
Compiled share
89.3%
Has compiled src
Yes
Language breakdown
API
Exported functions
16
Internal functions
48
Recent export changes
Testing
Has tests
Yes
Test-to-code ratio
1.32
testthat edition
3
Docs
Roxygen coverage
100%
Health & Security signals
Informational signals; not verdicts.
on.exit coverage
33.3%
Unsafe pattern score
0
Dep constraint coverage
0%
Secret pattern count
0
Bundled 3rd-party code
2 items
Portability & License
Min R version
4.1.0
System requirements
1 externalGNU make
C++ standard
–
License
MIT + file LICENSE
License flags
SPDX valid, OSI approved
History
Versions
7
First release
2023-09-21
Latest release
2026-08-06
Avg cadence
186 days
Cold removal rate
100%
Dep drift
9
LOC over versions
Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/bioc-code-metrics.
Documentation
- Help pages
- 20 (11 internal)includes a package overview page
- Examples that run
- 100%8 run in a plain check
- Exported functions with examples
- 89%
- Documented parameters
- 98%
- Return-value docs
- 89%
- Help pages citing references
- 5%
Repository practices
15 development-tooling and community-health practices detected across 7 families in the upstream repository
Checks run against github.com/huber-group-embl/rarr on 2026-10-22.
The R CMD check workflow runs on Linux, macOS and Windows, and on R-devel
GitHub Pages site last deployed 2026-10-15 · The repository has a site deploy workflow
pkgdown site last built 2026-10-15
Show all practicesHide 3 practices
Topics
Depended on by (3)
Bioconductor (3)
People
- Hugo Gruson author maintainer
- German Network for Bioinformatics Infrastructure - de.NBI funder
- Sharla Gelfand contributor
- Artür Manukyan contributor
-
Mike Smith
author
ccp
Maintainer from 2022 to 2025.
Cite
Cite this package
Run in R for the authors' preferred citation:
citation("Rarr")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.
From data release v2026-10-24, which the citation names so these numbers can be found later. More on citing and the projects behind them.