PyRank
lmfit

uncertainties

Transparent calculations with uncertainties on the quantities involved (aka "error propagation"); calculation of derivatives.
PyPI GitHub
Downloads
Day
105.0K
Week
660.6K
Month
2.7M
Stars
667
Forks
85
Issues
77
Version
3.2.4

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
65
Popularity
58
Adoption
80
Community
60
How the maintenance status was determined
Last commit
132 days ago
Monthly downloads
2,732,162
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
2,732,162
Stars
667
Stars per 1k downloads
0.24
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
94,367
Month daily avg
91,072
Momentum
+3.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.8
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
Revised BSD License
• 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
132 days ago
Total releases
81
Releases/year
5.1
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
26
Monthly downloads
2,732,162
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
71
 
Issue Burden
115.4
per 1k stars
Discussions
36.0
per 1k stars
Fork Ratio
30.6%
contrib / forks
Stale Release
No
 
PR Velocity
Active
 

Weekly Downloads

GitHub Stars

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

Downloads by OS

Linux 38.1K
macOS 1.2K
Windows 1.0K

Python Versions

3.12
67.9% 26.3K
3.11
18.0% 7.0K
3.13
6.7% 2.6K
3.10
5.5% 2.1K
3.14
1.9% 735

Top Countries

1. US US
34.2K
2. SG SG
1.5K
3. HK HK
1.1K
4. GB GB
850
5. DE DE
587
6. CN CN
457
7. IE IE
306
8. FR FR
243
9. NL NL
221
10. JP JP
212

GitHub Topics

Tags from the package's GitHub repository describing what it does.

Package Information

License
Revised BSD License
First Release
June 8, 2010
Last Release
4 months ago
Last Commit
4 months ago
Latest Version
3.2.4
Total Releases
81
Contributors
26
Open PRs
13
Archived
No
Python Versions
3 3.8 3.9 3.10 3.11 3.12 3.13 3.14
Wheels
py2 py3
Keywords
error propagation uncertainties uncertainty calculations standard deviation derivatives partial derivatives differentiation
Tracking Since
January 6, 2026
Data Updated
May 17, 2026
Data Freshness
Fresh

Links