PyRank
michael-denyer

jamma

JAMMA (Highly-Accelerated Multi-method Mixed-model Association) -- a fast and modern Python and C reimplementation of GEMMA for large-scale GWAS.
PyPI GitHub
More links
Download Stats Changelog Documentation Issues
Verified repo
Monthly downloads
16.9K
Weekly downloads
4.1K
GitHub stars
3

Downloads in the 30 and 7 days to October 10, 2026. Refreshed weekly.

Package Information

Latest Version
8.2.4
Requires Python
>=3.11
Licence
GPL-3.0-or-later
Last Release
1 week ago
Author
JAMMA Contributors
First Release
February 10, 2026
Total Releases
103
Python Versions
3.11 3.12 3.13 3.14
No reported malware or high/critical advisories · Details

The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
100
Popularity
11
Adoption
62
Community
30
Provenance
100
How the maintenance status was determined
Last commit
7 days ago
Monthly downloads
16,858
• Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
16,858
Stars
3
Stars per 1k downloads
0.18
Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
• Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
590
Month daily avg
562
Momentum
+4.9%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
>=3.11
Cutting Edge
Minimum supported version is 3.14 or newer
• Modern
Minimum supported version is 3.11 to 3.13
Legacy
Supports 3.10 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
GPL-3.0-or-later
Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
• Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
7 days ago
Total releases
103
Releases/year
152.2
• Rapid
Last release within 365 days and > 12 releases/year
Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
1
Monthly downloads
16,858
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
• Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
5
 
Issue Burden
-
per 1k stars
Discussions
-
per 1k stars
Fork Ratio
100.0%
contrib / forks
Stale Release
No
 
PR Velocity
Quiet
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 5

Python Versions

3.12
100.0% 5

Top Countries

1. US US
291
2. FR FR
35
3. DE DE
29
4. CN CN
19
5. JP JP
14
6. DK DK
9
7. TW TW
8
8. SG SG
3
9. HK HK
1
10. NL NL
1

Weekly Downloads

GitHub Stars

Dependencies

7
18 optional dependencies

Used By

0
Not used by any tracked packages

Repository details

Forks
1
Issues
0
Last Commit
1 week ago
Contributors
1
Open PRs
0
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
association-testing bioinformatics eigendecomposition gemma genetics genomics gwas kinship linear-mixed-model lmm plink reml snp wald-test
Sources and methodology