apache / commons-statistics

Zoomable circles (number of contributors per file): 30 days | 90 days | 6 months | past year | all time

Files with only one contributor are shown as grey.

Contributors

Recent Contributors (6)

Committed in past 6 months (a rookie = the first commit in past year)

Past 30 days (2):

aherbert@apache.org

garydgregory@users.noreply.github.com

Past 31 to 90 days (3):

garydgregory@gmail.com

sebb@apache.org

engelen@apache.org

Past 91 to 180 days (1):

129569933+ani5rudh@users.noreply.github.com

Historical Contributors (12)

Last contributors more than 6 months ago

gilles@harfang.homelinux.org

gilleseran@gmail.com

chtompki@gmail.com

a.herbert@sussex.ac.uk

gardgregory@gmail.com

arturobernalg@gmail.com

janirudhg@gmail.com

herve.boutemy@free.fr

4357155+benwtrent@users.noreply.github.com

mmalenic1@gmail.com

xenoamess@gmail.com

41877700+bbennguyenn@users.noreply.github.com

Contributors Matrix (Per Month)

	Commits (3m)	Commit Days	-	2	3	3	3	-	-	-	-	1	1	1	1	1	1	1	2	3	1	2	2	2	4	2	1
garydgregory@users.noreply.github.com	10	6	-			-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
aherbert@apache.org	34	229	-				-	-	-	-	-																-
garydgregory@gmail.com	2	14	-	-		-		-	-	-	-	-	-	-	-	-	-	-	-		-		-	-	-	-
engelen@apache.org	6	3	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
sebb@apache.org	3	7	-	-	-			-	-	-	-	-	-	-	-	-	-	-			-	-	-	-	-	-	-
129569933+ani5rudh@users.noreply.github.com	-	8	-	-	-	-		-	-	-	-	-	-	-	-	-	-	-	-	-	-	-					-
gilleseran@gmail.com	-	10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-
janirudhg@gmail.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-		-	-
herve.boutemy@free.fr	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
a.herbert@sussex.ac.uk	-	5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
arturobernalg@gmail.com	-	3	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
4357155+benwtrent@users.noreply.github.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
mmalenic1@gmail.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
xenoamess@gmail.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
gilles@harfang.homelinux.org	-	18	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
gardgregory@gmail.com	-	5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
chtompki@gmail.com	-	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
41877700+bbennguyenn@users.noreply.github.com	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Bots Matrix (Per Month)

Commits
(3m)

Commit
Days

-

2 contributors (5 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	File Updates (per extension)
1.	aherbert@apache.org	2019-05-20	2025-04-07	1 (20%)	md (6)
2.	garydgregory@users.noreply.github.com	2025-03-14	2025-04-25	4 (80%)	yaml (7)

5 contributors (55 commits):

#	Contributor	First Commit	Latest Commit	Commits Count	File Updates (per extension)
1.	aherbert@apache.org	2019-05-20	2025-04-07	34 (61%)	java (169), xml (8), md (6), japicmp (3), yaml (1)
2.	garydgregory@gmail.com	2018-01-22	2025-03-14	2 (3%)	java (2), vm (1)
3.	garydgregory@users.noreply.github.com	2025-03-14	2025-04-25	10 (18%)	yaml (17)
4.	sebb@apache.org	2022-10-08	2025-02-09	3 (5%)	yaml (3), txt (1)
5.	engelen@apache.org	2025-02-10	2025-02-28	6 (10%)	yaml (7)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 90 days.

Contributor Dependencies via Shared Files

- show contributor dependencies 2D graph
- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	garydgregory@users.noreply.github.com	engelen@apache.org	4 shared files
2.	garydgregory@users.noreply.github.com	sebb@apache.org	2 shared files
3.	engelen@apache.org	sebb@apache.org	2 shared files
4.	garydgregory@users.noreply.github.com	aherbert@apache.org	1 shared file .github/workflows/codeql-analysis.yml
5.	aherbert@apache.org	engelen@apache.org	1 shared file .github/workflows/codeql-analysis.yml
6.	aherbert@apache.org	sebb@apache.org	1 shared file .github/workflows/codeql-analysis.yml

Most Connected Contributors

	Contributor	# connections	# commits
1.	aherbert@apache.org	3	34
2.	garydgregory@users.noreply.github.com	3	10
3.	engelen@apache.org	3	6
4.	sebb@apache.org	3	3
5.	garydgregory@gmail.com	0	2

C-median: 3.0

A half of the contributors has more than 3.0 connections, and a half has less than this number.

C-mean: 3.0

An average number of connections a contributor has with other contributors.

C-index: 3.0

There are 3.0 contributors with 3.0 or more connections.

6 contributors (59 commits):

#	Contributor	First Commit	Latest Commit	Commits Count
1.	aherbert@apache.org	2019-05-20	2025-04-07	34 (57%)
2.	garydgregory@gmail.com	2018-01-22	2025-03-14	4 (6%)
3.	garydgregory@users.noreply.github.com	2025-03-14	2025-04-25	10 (16%)
4.	sebb@apache.org	2022-10-08	2025-02-09	4 (6%)
5.	129569933+ani5rudh@users.noreply.github.com	2023-06-04	2025-01-02	1 (1%)
6.	engelen@apache.org	2025-02-10	2025-02-28	6 (10%)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 180 days.

Contributor Dependencies via Shared Files

- show contributor dependencies 2D graph
- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	garydgregory@gmail.com	aherbert@apache.org	6 shared files
2.	garydgregory@users.noreply.github.com	engelen@apache.org	4 shared files
3.	garydgregory@users.noreply.github.com	sebb@apache.org	2 shared files
4.	engelen@apache.org	sebb@apache.org	2 shared files
5.	garydgregory@users.noreply.github.com	aherbert@apache.org	1 shared file .github/workflows/codeql-analysis.yml
6.	aherbert@apache.org	engelen@apache.org	1 shared file .github/workflows/codeql-analysis.yml
7.	aherbert@apache.org	sebb@apache.org	1 shared file .github/workflows/codeql-analysis.yml

Most Connected Contributors

	Contributor	# connections	# commits
1.	aherbert@apache.org	4	34
2.	garydgregory@users.noreply.github.com	3	10
3.	engelen@apache.org	3	6
4.	sebb@apache.org	3	4
5.	garydgregory@gmail.com	1	4
6.	129569933+ani5rudh@users.noreply.github.com	0	1

C-median: 3.0

A half of the contributors has more than 3.0 connections, and a half has less than this number.

C-mean: 2.8

An average number of connections a contributor has with other contributors.

C-index: 3.0

There are 3.0 contributors with 3.0 or more connections.

6 contributors (116 commits):

#	Contributor	First Commit	Latest Commit	Commits Count
1.	aherbert@apache.org	2019-05-20	2025-04-07	91 (78%)
2.	garydgregory@gmail.com	2018-01-22	2025-03-14	4 (3%)
3.	garydgregory@users.noreply.github.com	2025-03-14	2025-04-25	10 (8%)
4.	sebb@apache.org	2022-10-08	2025-02-09	4 (3%)
5.	129569933+ani5rudh@users.noreply.github.com	2023-06-04	2025-01-02	1 (<1%)
6.	engelen@apache.org	2025-02-10	2025-02-28	6 (5%)

Contributor Dependencies

A contributor dependency is detected if two contributors have changed the same files in the past 365 days.

Contributor Dependencies via Shared Files

- show contributor dependencies 2D graph
- open 2D force graph
- open 3D force graph
- open 2D force graph (including all files)
- open 2D force graph (including only shared files)
- open 3D force graph (including all files)
- open 3D force graph (including only shared files)

	Contributor 1	Contributor 2	# shared files
1.	garydgregory@gmail.com	aherbert@apache.org	16 shared files
2.	garydgregory@users.noreply.github.com	engelen@apache.org	4 shared files
3.	garydgregory@users.noreply.github.com	aherbert@apache.org	2 shared files
4.	garydgregory@users.noreply.github.com	sebb@apache.org	2 shared files
5.	aherbert@apache.org	engelen@apache.org	2 shared files
6.	engelen@apache.org	sebb@apache.org	2 shared files
7.	aherbert@apache.org	129569933+ani5rudh@users.noreply.github.com	1 shared file src/site/xdoc/release-history.xml
8.	aherbert@apache.org	sebb@apache.org	1 shared file .github/workflows/codeql-analysis.yml

Most Connected Contributors

	Contributor	# connections	# commits
1.	aherbert@apache.org	5	91
2.	garydgregory@users.noreply.github.com	3	10
3.	engelen@apache.org	3	6
4.	sebb@apache.org	3	4
5.	garydgregory@gmail.com	1	4
6.	129569933+ani5rudh@users.noreply.github.com	1	1

C-median: 3.0

A half of the contributors has more than 3.0 connections, and a half has less than this number.

C-mean: 2.6

An average number of connections a contributor has with other contributors.

C-index: 3.0

There are 3.0 contributors with 3.0 or more connections.

Contributors' details...