PyRank
pykalman

pykalman

Kalman Filter, Smoother, and EM Algorithm for Python
PyPI GitHub
More links
Download Stats Documentation
Verified repo
Monthly downloads
153.7K
Weekly downloads
36.8K
GitHub stars
1.3K

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

Package Information

Latest Version
0.11.2
Requires Python
<3.15,>=3.10
Licence
BSD 3-Clause License
Last Release
8 months ago
Author
Daniel Duckworth
First Release
August 20, 2012
Total Releases
13
Python Versions
3.10 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
40
Popularity
69
Adoption
71
Community
80
Provenance
100
How the maintenance status was determined
Last commit
257 days ago
Monthly downloads
153,704
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
153,704
Stars
1,338
Stars per 1k downloads
8.71
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
5,257
Month daily avg
5,123
Momentum
+2.6%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
More insights and metrics
Python version support tiers
requires_python
<3.15,>=3.10
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
BSD 3-Clause 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
257 days ago
Total releases
13
Releases/year
0.9
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
21
Monthly downloads
153,704
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
68
 
Issue Burden
49.3
per 1k stars
Discussions
0.0
per 1k stars
Fork Ratio
5.2%
contrib / forks
Stale Release
No
 
PR Velocity
Active
 
Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 3.2K
Windows 405
macOS 175

Python Versions

3.12
36.7% 1.3K
3.11
33.9% 1.2K
3.10
14.0% 512
3.13
10.2% 375
3.14
5.2% 189

Top Countries

1. US US
2.9K
2. SG SG
207
3. NL NL
203
4. DE DE
121
5. GB GB
86
6. AU AU
61
7. CN CN
48
8. JP JP
48
9. IN IN
42
10. BR BR
31

Weekly Downloads

GitHub Stars

Dependencies

4
14 optional dependencies

Used By

22
View all 22 dependents

Repository details

Forks
403
Issues
66
Last Commit
8 months ago
Contributors
21
Open PRs
21
Archived
No

Data and sources

Tracking Since
September 26, 2026
Data Updated
October 11, 2026
Data Freshness
Fresh
Keywords
kalman filter smoothing filter em expectation-maximization hmm tracking unscented
Sources and methodology