PyRank
pydata

patsy

Describing statistical models in Python using symbolic formulas
PyPI GitHub
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

patsy has 34.8M monthly downloads and 986 GitHub stars. Version 1.0.2 supports Python 3.6+, first published in 2012.

It is actively maintained under a permissive license, last released in Oct 2025.

It is built on top of numpy. It is used by 297 tracked packages, including statsmodels, category-encoders and scanpy.

Downloads
Day
1.1M
Week
7.9M
Month
34.8M
Stars
986
Forks
105
Issues
67
Version
1.0.2

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
62
Adoption
70
Community
55
Provenance
0
How the maintenance status was determined
Last commit
7 days ago
Monthly downloads
34,844,946
• 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
34,844,946
Stars
986
Stars per 1k downloads
0.03
• 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
1,124,707
Month daily avg
1,161,498
Momentum
-3.2%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.6
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
• Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
2-clause BSD
• 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
259 days ago
Total releases
16
Releases/year
1.1
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
45
Monthly downloads
34,844,946
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
59
 
Issue Burden
68.0
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
42.9%
contrib / forks
Stale Release
252d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 817.0K
Windows 15.7K
macOS 8.8K

Python Versions

3.10
29.3% 213.8K
3.12
29.0% 211.3K
3.9
18.3% 133.7K
3.11
15.3% 111.4K
3.13
8.1% 58.8K

Top Countries

1. US US
657.0K
2. DE DE
28.7K
3. IE IE
18.7K
4. NL NL
16.3K
5. SG SG
15.3K
6. JP JP
14.1K
7. GB GB
14.0K
8. IN IN
12.5K
9. CA CA
9.1K
10. CN CN
8.2K

Package Information

License
2-clause BSD
First Release
July 10, 2012
Last Release
8 months ago
Last Commit
1 week ago
Latest Version
1.0.2
Total Releases
16
Contributors
45
Open PRs
9
Archived
No
Author
Nathaniel J. Smith
Python Versions
3 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13
Wheels
py2 py3
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links