https://github.com/tdunning/t-digest

accuracy online-algorithms quantile t-digest

Score: 33.20905358003556

Last synced: about 18 hours ago
JSON representation

Repository metadata:

A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means

Host: GitHub
URL: https://github.com/tdunning/t-digest
Owner: tdunning
License: apache-2.0
Created: 2013-11-19T00:07:15.000Z (over 12 years ago)
Default Branch: main
Last Pushed: 2025-02-17T07:19:38.000Z (about 1 year ago)
Last Synced: 2026-03-24T14:06:50.374Z (6 days ago)
Topics: accuracy, online-algorithms, quantile, t-digest
Language: Java
Size: 41.6 MB
Stars: 2,147
Watchers: 62
Forks: 229
Open Issues: 44
Metadata Files:
- Readme: README.md
- License: LICENSE
- Citation: CITATION.cff

Owner metadata:

Name: Ted Dunning
Login: tdunning
Email:
Kind: user
Description: CTO for Data Fabric at HPE, member of @apache, member of @agstack
Website:
Location:
Twitter: ted_dunning
Company: HPE
Icon url: https://avatars.githubusercontent.com/u/250490?u=020676195b8dc2f3ff31fc7605ae91cce1d97041&v=4
Repositories: 28
Last Synced at: 2023-03-11T08:10:35.729Z
Profile URL: https://github.com/tdunning

GitHub Events

Total

Fork event: 7
Issue comment event: 6
Issues event: 5
Pull request event: 2
Push event: 1
Watch event: 113
Total: 134

Last Year

Fork event: 3
Issue comment event: 6
Issues event: 4
Watch event: 55
Total: 68

Committers metadata

Last synced: 3 days ago

Total Commits: 357
Total Committers: 43
Avg Commits per committer: 8.302
Development Distribution Score (DDS): 0.202

Commits in past year: 0
Committers in past year: 0
Avg Commits per committer in past year: 0.0
Development Distribution Score (DDS) in past year: 0.0

Name	Email	Commits
Ted Dunning	t**g@g**m	285
Adrien Grand	j**z@g**m	15
Nicolas Rémond	n**b@g**m	4
Bruno P. Kinoshita	k****w	3
Cameron Davidson-Pilon	c**n@g**m	3
Cedric Hansen	c**n@s**m	3
Suneel Marthi	s**i@g**m	3
dependabot[bot]	4****]	3
Stephen Polcyn	s****n	2
dsukhareva	d**a@g**m	2
Andrii Gakhov	g****v	2
Kevin Litwack	k**k@g**m	1
Heath	C****l	1
Gera Shegalov	g**a@a**g	1
Erik Weathers	e**w@g**m	1
Emlyn Corrin	e**n@g**m	1
Andrey	a**v@g**m	1
Andrew Werner	a**2@g**m	1
supercargo	a**m@a**m	1
Ted Dunning	t**g@g**m	1
Ryan P. Brewster	r**r@g**m	1
Moritz Mucha	1****a	1
njmsaikat	n**t@g**m	1
nabbisen	n**n@s**t	1
lino	4****i	1
filipe oliveira	f**0@g**m	1
beyondeye	d**e@b**m	1
Yuri	y**h@g**m	1
The Alchemist	k**0@g**m	1
Stephane Landelle	s**e@g**o	1
and 13 more...

Issue and Pull Request metadata

Last synced: 4 months ago

Total issues: 72
Total pull requests: 43
Average time to close issues: 11 months
Average time to close pull requests: 4 months
Total issue authors: 56
Total pull request authors: 35
Average comments per issue: 4.44
Average comments per pull request: 1.98
Merged pull request: 24
Bot issues: 0
Bot pull requests: 3

Past year issues: 3
Past year pull requests: 1
Past year average time to close issues: 9 days
Past year average time to close pull requests: about 9 hours
Past year issue authors: 3
Past year pull request authors: 1
Past year average comments per issue: 3.0
Past year average comments per pull request: 0.0
Past year merged pull request: 1
Past year bot issues: 0
Past year bot pull requests: 0

More stats: https://issues.ecosyste.ms/repositories/lookup?url=https://github.com/tdunning/t-digest

Top Issue Authors

tdunning (7)
cyb70289 (3)
rnataf (3)
marccelani (2)
tannaga (2)
KayBeSee (2)
ajwerner (2)
mqliang (2)
AlexanderSaydakov (2)
nbehnam (1)
papapon (1)
lihanhui (1)
devinrsmith (1)
erikerlandson (1)
rafsanofficial (1)

Top Pull Request Authors

dependabot[bot] (3)
amalic (3)
kinow (3)
njmsaikat (2)
nabbisen (2)
purwowd (1)
anvinjain (1)
dblock (1)
rafsanofficial (1)
AlexanderSaydakov (1)
domhauton (1)
gerashegalov (1)
ajwerner (1)
ryanpbrewster (1)
johnistan (1)

Top Issue Labels

Top Pull Request Labels

dependencies (3)

Package metadata

Total packages: 12
Total downloads:
- clojars: 125,202 total
Total docker downloads: 2,807,875,728
Total dependent packages: 135 (may contain duplicates)
Total dependent repositories: 1,718 (may contain duplicates)
Total versions: 19
Total maintainers: 1

repo1.maven.org: com.tdunning:t-digest

Data structure which allows accurate estimation of quantiles and related rank statistics

Homepage: https://github.com/tdunning/t-digest
Documentation: https://appdoc.app/artifact/com.tdunning/t-digest/
Licenses: Apache-2.0,Apache-2.0
Latest release: 2.0.2 (published about 12 years ago)
Last Synced: 2026-03-23T19:02:27.174Z (7 days ago)
Versions: 8
Dependent Packages: 135
Dependent Repositories: 1,718
Docker Downloads: 2,807,875,728
Rankings:
- Docker downloads count: 0.035%
- Dependent repos count: 0.272%
- Dependent packages count: 0.547%
- Average: 4.52%
- Stargazers count: 8.586%
- Forks count: 13.158%

clojars.org: com.techascent/t-digest

Pre release of tdunning 4.0 that fixes several major issues with t-digest.

Homepage: https://github.com/tdunning/t-digest
Documentation: https://cljdoc.org/d/com.techascent/t-digest/
Licenses: apache-2.0
Latest release: 4.0-pre-release-1 (published about 5 years ago)
Last Synced: 2026-03-23T19:02:26.851Z (7 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Downloads: 125,202 Total
Rankings:
- Stargazers count: 1.507%
- Forks count: 3.848%
- Dependent packages count: 7.884%
- Downloads: 7.9%
- Average: 9.386%
- Dependent repos count: 25.79%
Maintainers (1)
- chrisn

repo1.maven.org: com.tdunning:t-digest-parent

Data structure which allows accurate estimation of quantiles and related rank statistics

Homepage: https://github.com/tdunning/t-digest
Documentation: https://appdoc.app/artifact/com.tdunning/t-digest-parent/
Licenses: The Apache Software License, Version 2.0
Latest release: 3.3 (published almost 5 years ago)
Last Synced: 2026-03-06T18:03:39.388Z (24 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Stargazers count: 6.511%
- Forks count: 9.566%
- Average: 24.229%
- Dependent repos count: 31.98%
- Dependent packages count: 48.86%

ubuntu-24.04: t-digest

Homepage: https://github.com/tdunning/t-digest
Licenses:
Latest release: 1:3.0-3 (published about 2 months ago)
Last Synced: 2026-03-13T03:13:04.434Z (18 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

ubuntu-24.10: t-digest

Homepage: https://github.com/tdunning/t-digest
Licenses:
Latest release: 1:3.0-3 (published about 2 months ago)
Last Synced: 2026-03-13T13:20:08.578Z (17 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

ubuntu-22.04: t-digest

Homepage: https://github.com/tdunning/t-digest
Licenses: apache-2.0
Latest release: 1:3.0-3 (published about 2 months ago)
Last Synced: 2026-03-13T15:41:41.093Z (17 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

debian-12: t-digest

Homepage: https://github.com/tdunning/t-digest
Documentation: https://packages.debian.org/bookworm/t-digest
Licenses:
Latest release: 1:3.0-3 (published about 2 months ago)
Last Synced: 2026-03-13T16:42:19.875Z (17 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

ubuntu-20.04: t-digest

Homepage: https://github.com/tdunning/t-digest
Licenses:
Latest release: 1:3.0-3 (published about 2 months ago)
Last Synced: 2026-03-13T23:24:41.041Z (17 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

ubuntu-23.04: t-digest

Homepage: https://github.com/tdunning/t-digest
Licenses:
Latest release: 1:3.0-3 (published about 2 months ago)
Last Synced: 2026-03-12T02:05:36.849Z (19 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

ubuntu-23.10: t-digest

Homepage: https://github.com/tdunning/t-digest
Licenses:
Latest release: 1:3.0-3 (published about 1 month ago)
Last Synced: 2026-03-14T06:12:38.716Z (16 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

debian-11: t-digest

Homepage: https://github.com/tdunning/t-digest
Documentation: https://packages.debian.org/bullseye/t-digest
Licenses:
Latest release: 1:3.0-3 (published about 2 months ago)
Last Synced: 2026-03-14T08:20:23.237Z (16 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

debian-13: t-digest

Homepage: https://github.com/tdunning/t-digest
Documentation: https://packages.debian.org/trixie/t-digest
Licenses:
Latest release: 1:3.0-3 (published about 2 months ago)
Last Synced: 2026-03-12T16:12:42.018Z (18 days ago)
Versions: 1
Dependent Packages: 0
Dependent Repositories: 0
Rankings:
- Dependent repos count: 0.0%
- Dependent packages count: 0.0%
- Average: 100%

Dependencies

benchmark/pom.xml maven

org.openjdk.jmh:jmh-generator-annprocess 1.17.3 provided
com.tdunning:t-digest 3.4-SNAPSHOT
org.apache.mahout:mahout-math 0.9
org.openjdk.jmh:jmh-core 1.17.3

core/pom.xml maven

com.carrotsearch.randomizedtesting:randomizedtesting-runner 2.1.11 test
com.carrotsearch:java-sizeof 0.0.5 test
com.google.guava:guava 30.1.1-jre test
org.apache.mahout:mahout-math 0.9 test

quality/pom.xml maven

com.tdunning:t-digest 3.4-SNAPSHOT
com.clearspring.analytics:stream 2.5.2 test
com.google.guava:guava 30.1.1-jre test
junit:junit 4.13.1 test
org.apache.datasketches:datasketches-java 2.0.0 test
org.apache.mahout:mahout-math 0.9 test

.github/workflows/maven.yml actions

actions/checkout v3.3.0 composite
actions/setup-java v3.10.0 composite

pom.xml maven

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