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anndataR

Bioc current

AnnData interoperability in R

v1.2.1 · software · MIT + file LICENSE

Release Lineage

Entered 3.22 · Oct 30, 2025

Current · Requires R 4.6

1.0 In 2 of 49 releases 3.23

Description

Bring the power and flexibility of AnnData to the R ecosystem, allowing you to effortlessly manipulate and analyse your single-cell data. This package lets you work with backed h5ad and zarr files, directly access various slots (e.g. X, obs, var), or convert the data into SingleCellExperiment and Seurat objects.

Test coverage

Line coverage

Expression

Tests / Examples

Functions

197 8 exported

Complexity

3 avg / 21 max

Call network

197 nodes / 188 edges

Test coverage is not measured for Bioconductor packages; nodes fall back to a neutral fill.

Loading call graph…

Lowest coverage

Per-function coverage is not measured for this package yet.

Code

Structure

Lines of code

21,848

Files

167

Compiled share

0%

Has compiled src

No

Language breakdown

R 10,777 (49.3%)Tests 6,593 (30.2%)Docs 3,286 (15%)Vignettes 1,192 (5.5%)

API

Exported functions

9

Internal functions

186

Recent export changes

v3.23+2 read_zarr, write_zarr
v3.22+7 AnnData, AnnDataView, as_AnnData +4 more

Testing & CI

Has tests

Yes

Test-to-code ratio

0.61

testthat edition

3

CI present

Yes

CI type

["github-actions"]

PR gated

Yes

Docs

Roxygen coverage

100%

Health & Security signals

Informational signals; not verdicts.

on.exit coverage

0%

Unsafe pattern score

0

Dep constraint coverage

22.2%

Secret pattern count

0

Bundled 3rd-party code

2 items

Portability & License

Min R version

4.5.0

System requirements

C++ standard

License

MIT + file LICENSE

License flags

SPDX valid, OSI approved

History

Versions

2

First release

2026-03-02

Latest release

2026-04-28

Avg cadence

57 days

Cold removal rate

Dep drift

0

LOC over versions

v3.22: 16,724 LOCv3.23: 21,848 LOC

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

Documentation

Documentation
READMEYes · 444 wordsVignettesYes · dynamicpkgdown siteYesNEWSYes · 100% structuredCode of conductNoContributing guideNo
Examples that run
87%
Documented parameters
100%
Return-value docs
100%
References docs
0%

Topics

Depended on by (6)

CRAN (1)

People

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("anndataR")
Cannoodt, R., Chan Zuckerberg Initiative, Data Intuitive, scverse consortium, Bredikhin, D., Deconinck, L., Gruson, H., Manukyan, A., Morgan, M., Sang-aram, C., Schilder, B., Virshup, I., & Zappia, L. (2026). anndataR: AnnData interoperability in R (Version 1.2.1) [Computer software]. https://bioconductor.org/packages/anndataR

This is what citation() produces when a package has no citation file of its own. If it prints something else, use that.

Cite the R Observatory

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

APA

Balamuta, J. J. (2026). R Observatory: Metrics for anndataR version 1.2.1 [Data set]. HJJB, LLC. Data release v2026-08-23. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-23, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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