'anndata' for R
Overview
A 'reticulate' wrapper for the Python package 'anndata'. Provides a scalable way of keeping track of data and learned annotations. Used to read from and write to the h5ad file format.
- FUNCTIONALITY: Added support for
read_zarr()andwrite_zarr()(PR #33). - BUG FIX: Use the right interface for the
all.equal()function (PR #32). - BUG FIX: Add
py_to_rconverter foranndata.abc._AbstractCSDataset(PR #34). - MINOR CHANGES: Ignore python warnings when running tests (PR #34).
- MAJOR CHANGES: Update reticulate package dependency management (PR #36).
- MINOR CHANGES: Clean up roxygen code (PR #36).
- MINOR CHANGES: Use cli for generating errors (PR #36).
From NEWS.md in the release
Install
Health
- OK13 OK2026-09-08
- ERROR12 OK, 1 ERROR2026-09-07
- OK13 OK2026-08-05
- NOTE12 OK, 1 NOTE2026-08-01
- OK14 OK2026-03-10
Documentation
- Help pages
- 24includes a package overview page
- Examples that run
- 0%22 never run
- Exported functions with examples
- 100%
- Documented parameters
- 100%
- Return-value docs
- 0%
- Help pages citing references
- 0%
- Demo with scanpy HTML
- Getting started HTML
Downloads
Repository
- PRs merged (all time)
- 100%
- Median days to close, 50 most recently updated closed issues
- 215
- Median days to close, 50 most recently updated closed PRs
- 8
Stars over time
Forks over time
Releases over time
Issues over time
PRs over time
13 development-tooling and community-health practices detected across 6 families in the upstream repository
Checks run against github.com/dynverse/anndata on 2026-10-21.
The R CMD check workflow runs on Linux, macOS and Windows, and on R-devel
Funding links: data-intuitive.com
GitHub Pages site last deployed 2026-04-01 · The repository has a site deploy workflow
pkgdown site last built 2026-04-01
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Dependencies
Installing anndata adds 14 packages (8 with compiled code, 6.3 MB of source tarballs). Heaviest: Rcpp 1.8 MB, reticulate 1.6 MB, jsonlite 1.0 MB.
Code & Tests
People & History
Pick two releases to compare their code metrics.
- RR 4.6.0 released · 2026-04-24
- 0.8.0Latest
- RR 4.5.0 released · 2025-04-11
- RR 4.4.0 released · 2024-04-24
- RR 4.3.0 released · 2023-04-21
- 0.7.5.62023-03-17 · diff ↗
- 0.7.5.52022-09-23 · diff ↗
- 0.7.5.42022-08-23 · diff ↗
- RR 4.2.0 released · 2022-04-22
- 0.7.5.32021-09-10 · diff ↗
- RR 4.1.0 released · 2021-05-18
- 0.7.5.22021-03-28 · diff ↗
- 0.7.5.1
- 0.7.52020-11-19 · diff ↗
- 0.7.42020-11-04
- RR 4.0.0 released · 2020-04-24
Package metadata
- First published
- 2020-11-04
- Total releases
- 9 / 6 yrs
- License
- MIT + file LICENSE OSI
- Minimum R
- ≥ 3.5.0
- Download size
- 202 KB
Cite
Cite this package
Run in R for the authors' preferred citation:
citation("anndata")This package has no citation file, so citation() returns this entry built from DESCRIPTION.
Cite the R Observatory
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From data release v2026-10-25, which the citation names so these numbers can be found later. More on citing and the projects behind them.