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Community Health

Community Size

453
Authors
80
Active Authors
last 2 years
34
Multi-Pub Authors
2+ publications
6.2%
Top Author Share
top 10 authors
82,693
Contributors
3,373
Active Contributors
24,932
Core Contributors
21,608
Multi-Repo
2+ repos
280,761
Participants
Publications
Avg Authors/Pub5.8
International33 (38.4%)
Cross-Institutional58 (67.4%)
Network Density0.0649
Collaboration Bridges
B
Brian Granger
A
Anderson Banihirwe
M
Matthew Rocklin
O
Osvaldo A. Martin
A
Andreas W. Kempa-Liehr
Domain Connectors
A
Andreas W. Kempa-Liehr6 fields, 22 topics
B
Bingni W. Brunton6 fields, 6 topics
F
Floris van Breugel6 fields, 6 topics
J
J. Nathan Kutz6 fields, 6 topics
A
Atsushi Togo4 fields, 7 topics
Repositories
Avg Contributors/Repo35.7
International Repos0
Cross-Institutional Repos0
Network Density0.0031
Domain Connector Repos
interpretml/interpret13 fields, 44 topics
florisvb/pynumdiff6 fields, 6 topics
blue-yonder/tsfresh6 fields, 22 topics
dmlc/dgl6 fields, 8 topics
indecol/country_converter5 fields, 8 topics
Publications
Author Concentration6%
Healthy (3+ authors)65/86 (76%)
Solo author12/86 (14%)
At-Risk Publications (8)
PublicationAuthorYear
fugashi, a Tool for Tokenizing Japanese in PythonPaul O'Leary McCann2020
Matplotlib: A 2D Graphics EnvironmentJohn D. Hunter2007
mmh3: A Python extension for MurmurHash3Hajime Senuma2025
Missingno: a missing data visualization suiteAleksey Bilogur2018
lifelines: survival analysis in PythonCameron Davidson-Pilon2019
Repositories
Portfolio Bus Factor:1
Healthy distribution1269/3954 (32%)
Single maintainer1410/3954 (36%)
At-Risk Repositories (1833)
RepositoryTop %CoreActive
lorencarvalho/zipfile38100%1
intive-datascience/tbats100%1
mdmintz/tabcompleter100%1
hgrecco/flexcache100%1
matthewgdv/maybe100%1
Publications
Publication Trend↗
Author Consistency0.98
Avg Years Active/Author1.1
Publications by Year
2019
12
2020
15
2021
12
2022
11
2023
16
2024
12
2025
24
2026
15
Repositories
Commits (52 weeks)238,247
Commits (12 weeks)51,348→
Avg Contributor Consistency0.73
Avg Active Weeks/Contributor11.2
Author Retention
YearTotalNewRet.Churn
20214038282
20222323040
20232929023
20248179227
20257170180
202699071
Overall Retention Rate2.1%
Contributor Retention
New Contributors (12mo)2,327
Retained2468
Churned50759
Retention Rate4.6%

Engagement

Citing Community
Citing Authors222,153
Citing Institutions18,129
Citing Topic Breadth
Domains4
Fields26
Subfields242
Topics3,534
Top Citing Fields
Physics and Astronomy22,467
Engineering21,403
Computer Science19,778
Biochemistry, Genetics and Molecular Biology14,811
Materials Science9,706
Medicine9,571
Environmental Science7,660
Earth and Planetary Sciences6,729
Chemistry4,171
Neuroscience3,974
Top Citing Subfields
Astronomy and Astrophysics16,537
Molecular Biology11,327
Artificial Intelligence10,355
Materials Chemistry8,632
Electrical and Electronic Engineering6,216
Instrumentation5,769
Computer Vision and Pattern Recognition5,182
Biomedical Engineering4,089
Computational Theory and Mathematics3,826
Control and Systems Engineering3,728
Repository Activity
Issues Opened369,760
Issues Closed409,392
PRs Opened470,567
PRs Reviewed0
Comments1,028,359
Helpful Reactions190,141
Avg 0.18 reactions/comment
272173 reporters0 reviewers3190 triagers2817 support

Champions

Most Prolific Authors
A
Andreas W. Kempa-Liehr
10 publications
O
Osvaldo A. Martin
4 publications
A
Atsushi Togo
3 publications
High-Impact Maintainers
Christian Clauss
2 citations, 504,080 stars
Jon Dufresne
0 citations, 459,239 stars
Hugo van Kemenade
16 citations, 457,125 stars
Longest Author Careers
M
Marco S. Nobile
9 years (2017-2025)
D
Daniela Besozzi
9 years (2017-2025)
K
Konstantin Stadler
9 years (2017-2025)
Longevity Leaders
Stefan Zimmermann
39 years, 75% consistency
Christophe Combelles
15 years, 150% consistency
Johannes Faigle
15 years, 150% consistency
Community Advocates
codecov[bot]
32497 comments, 27 reactions
github-actions[bot]
22823 comments, 58 reactions
dependabot[bot]
19337 comments, 12 reactions

Top People

Top Authors (453)

AuthorPubs ▼InstitutionsTopicsYears
A
Andreas W. Kempa-Liehr
103222018-2025
O
Osvaldo A. Martin
4462019-2026
A
Atsushi Togo
3272018-2024
D
Dominik Moritz
2152016-2018
M
Marco S. Nobile
2232017-2025
A
Anderson Banihirwe
2232020-2020
O
Oliver Higgins
2352024-2024
A
Adam Jatowt
2122018-2018
A
Ari Hartikainen
2132026-2026
J
J. Nathan Kutz
2262020-2022
R
Rhonda Wilson
2352024-2024
R
Ricardo Campos
2222018-2018
K
Konstantin Stadler
2252017-2025
F
Floris van Breugel
2162020-2022
V
Vítor Mangaravite
2122018-2018
J
Jeffrey Heer
2152016-2018
B
Brian Granger
2152017-2018
I
Isao Tanaka
2262023-2024
J
Jordan Deklerk
2232026-2026
M
Matthew Rocklin
2032017-2020

Top Contributors (1000)

ContributorReposCommits ▼StatusConsistency
TensorFlower Gardener
1061,087
Core
0.51
Even Rouault
537,055
Core
0.75
Anna Kozlova
124,469
Core
0.94
Min RK
6723,551
Core
0.40
Vladimir Krivosheev
119,965
Core
0.87
Jason R. Coombs
8018,593
Core
0.50
Alexey Kudravtsev
118,046
Core
0.92
Dmitry Jemerov
217,905
Core
0.92
Ask Solem
1417,337
Core
0.54
Peter Gromov
117,324
Core
0.72
aws-sdk-python-automation
417,068
Core
0.99
scoder
1116,079
Core
0.30
Jeff Forcier
815,977
Core
0.44
Ishaan Jaff
115,189
Core
0.00
Hugo van Kemenade
41213,426
Core
0.49
Danny Hermes
3213,320
Core
0.63
Sergey M.
213,238
Core
0.92
Alibaba Cloud SDK
213,204
Core
0.97
Mend Renovate
5213,138
Core
0.58
Tres Seaver
5812,918
Core
0.33