apache / arrow-site
File Change Frequency

File change frequency (churn) shows the distribution of file updates (days with at least one commit).

Overview
File Change Frequency Overall
  • There are 19 files with 892 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 2 files changed 21-50 times (122 lines of code)
    • 5 files changed 6-20 times (271 lines of code)
    • 12 files changed 1-5 times (499 lines of code)
0% | 0% | 13% | 30% | 55%
Legend:
101+
51-100
21-50
6-20
1-5

explore: grouped by folders | grouped by update frequency | data
Contributors Count Frequency Overall
  • There are 19 files with 892 lines of code.
    • 0 files changed by more than 25 contributors (0 lines of code)
    • 2 files changed by 11-25 contributors (122 lines of code)
    • 2 files changed by 6-10 contributors (192 lines of code)
    • 11 files changed by 2-5 contributors (537 lines of code)
    • 4 files changed by 1 contributor (41 lines of code)
0% | 13% | 21% | 60% | 4%
Legend:
26+
11-25
6-10
2-5
1

explore: grouped by folders | grouped by contributors count | data
File Change Frequency per File Extension
md, svg, html, yaml, txt, js, json, css, htaccess, scss, gitignore, py, sh, rdf
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
html0% | 0% | 28% | 36% | 35%
scss0% | 0% | 0% | 100% | 0%
css0% | 0% | 0% | 0% | 100%
py0% | 0% | 0% | 0% | 100%
rdf0% | 0% | 0% | 0% | 100%
yaml0% | 0% | 0% | 0% | 100%
js0% | 0% | 0% | 0% | 100%
File Change Frequency per Logical Decomposition
primary
primary (file change frequency)
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
_includes0% | 0% | 34% | 32% | 32%
ROOT0% | 0% | 18% | 33% | 48%
css0% | 0% | 0% | 34% | 65%
_layouts0% | 0% | 0% | 25% | 74%
scripts0% | 0% | 0% | 0% | 100%
_webpack0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 19)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
header.html
in _includes
 97 - 2017-04-25 2024-04-25 31 22 kou@clear-code.com andrew@nerdnetworks.org
index.html
in root
 25 - 2017-05-05 2025-02-22 23 13 wes.mckinney@twosigma.com ianmcook@gmail.com
top.html
in _includes
 79 - 2017-05-24 2025-03-06 10 7 wes.mckinney@twosigma.com petridish@gmail.com
main.scss
in css
 113 - 2017-05-05 2025-02-20 9 6 wes.mckinney@twosigma.com ianmcook@gmail.com
home.html
in _layouts
 20 - 2020-07-24 2025-02-20 7 3 neal.p.richardson@gmail.com ianmcook@gmail.com
footer.html
in _includes
 14 - 2017-05-05 2021-02-12 6 5 wes.mckinney@twosigma.com kou@clear-code.com
blog.html
in root
 45 - 2017-05-05 2025-03-05 6 3 wes.mckinney@twosigma.com petridish@gmail.com
post.html
in _layouts
 16 - 2017-05-05 2020-07-24 5 3 wes.mckinney@twosigma.com neal.p.richardson@gmail.com
arrow.rdf
in root
 56 - 2019-03-13 2025-02-22 5 5 kinow@users.noreply.github.com ianmcook@gmail.com
blog_header.html
in _includes
 62 - 2019-07-31 2025-02-20 5 2 neal.p.richardson@gmail.com kou@clear-code.com
10 - 2025-01-21 2025-02-20 2 1 kou@clear-code.com kou@clear-code.com
default.html
in _layouts
 13 - 2018-09-30 2020-07-24 2 2 uwe.korn@blue-yonder.com neal.p.richardson@gmail.com
15 - 2020-07-24 2025-04-10 2 2 neal.p.richardson@gmail.com petridish@gmail.com
analytics.html
in _includes
 15 - 2017-10-04 2022-04-29 2 2 wes.mckinney@twosigma.com kou@clear-code.com
65 3 2021-03-15 2021-12-14 2 2 antoine@python.org bkmgit@users.noreply.github...
216 - 2017-05-24 2018-09-30 2 2 wes.mckinney@twosigma.com uwe.korn@blue-yonder.com
main.js
in _webpack
 1 - 2021-02-12 2021-02-12 1 1 kou@clear-code.com kou@clear-code.com
article.html
in _layouts
 15 - 2020-07-24 2020-07-24 1 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
overview.html
in _layouts
 15 - 2020-07-24 2020-07-24 1 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
Files With Most Contributors (Top 19)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
header.html
in _includes
 97 - 2017-04-25 2024-04-25 31 22 kou@clear-code.com andrew@nerdnetworks.org
index.html
in root
 25 - 2017-05-05 2025-02-22 23 13 wes.mckinney@twosigma.com ianmcook@gmail.com
top.html
in _includes
 79 - 2017-05-24 2025-03-06 10 7 wes.mckinney@twosigma.com petridish@gmail.com
main.scss
in css
 113 - 2017-05-05 2025-02-20 9 6 wes.mckinney@twosigma.com ianmcook@gmail.com
footer.html
in _includes
 14 - 2017-05-05 2021-02-12 6 5 wes.mckinney@twosigma.com kou@clear-code.com
arrow.rdf
in root
 56 - 2019-03-13 2025-02-22 5 5 kinow@users.noreply.github.com ianmcook@gmail.com
home.html
in _layouts
 20 - 2020-07-24 2025-02-20 7 3 neal.p.richardson@gmail.com ianmcook@gmail.com
blog.html
in root
 45 - 2017-05-05 2025-03-05 6 3 wes.mckinney@twosigma.com petridish@gmail.com
post.html
in _layouts
 16 - 2017-05-05 2020-07-24 5 3 wes.mckinney@twosigma.com neal.p.richardson@gmail.com
blog_header.html
in _includes
 62 - 2019-07-31 2025-02-20 5 2 neal.p.richardson@gmail.com kou@clear-code.com
65 3 2021-03-15 2021-12-14 2 2 antoine@python.org bkmgit@users.noreply.github...
216 - 2017-05-24 2018-09-30 2 2 wes.mckinney@twosigma.com uwe.korn@blue-yonder.com
analytics.html
in _includes
 15 - 2017-10-04 2022-04-29 2 2 wes.mckinney@twosigma.com kou@clear-code.com
15 - 2020-07-24 2025-04-10 2 2 neal.p.richardson@gmail.com petridish@gmail.com
default.html
in _layouts
 13 - 2018-09-30 2020-07-24 2 2 uwe.korn@blue-yonder.com neal.p.richardson@gmail.com
10 - 2025-01-21 2025-02-20 2 1 kou@clear-code.com kou@clear-code.com
main.js
in _webpack
 1 - 2021-02-12 2021-02-12 1 1 kou@clear-code.com kou@clear-code.com
overview.html
in _layouts
 15 - 2020-07-24 2020-07-24 1 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
article.html
in _layouts
 15 - 2020-07-24 2020-07-24 1 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
Files With Least Contributors (Top 19)
Based on the number of unique email addresses found in commits.

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
overview.html
in _layouts
 15 - 2020-07-24 2020-07-24 1 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
article.html
in _layouts
 15 - 2020-07-24 2020-07-24 1 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
10 - 2025-01-21 2025-02-20 2 1 kou@clear-code.com kou@clear-code.com
main.js
in _webpack
 1 - 2021-02-12 2021-02-12 1 1 kou@clear-code.com kou@clear-code.com
216 - 2017-05-24 2018-09-30 2 2 wes.mckinney@twosigma.com uwe.korn@blue-yonder.com
65 3 2021-03-15 2021-12-14 2 2 antoine@python.org bkmgit@users.noreply.github...
blog_header.html
in _includes
 62 - 2019-07-31 2025-02-20 5 2 neal.p.richardson@gmail.com kou@clear-code.com
analytics.html
in _includes
 15 - 2017-10-04 2022-04-29 2 2 wes.mckinney@twosigma.com kou@clear-code.com
15 - 2020-07-24 2025-04-10 2 2 neal.p.richardson@gmail.com petridish@gmail.com
default.html
in _layouts
 13 - 2018-09-30 2020-07-24 2 2 uwe.korn@blue-yonder.com neal.p.richardson@gmail.com
blog.html
in root
 45 - 2017-05-05 2025-03-05 6 3 wes.mckinney@twosigma.com petridish@gmail.com
home.html
in _layouts
 20 - 2020-07-24 2025-02-20 7 3 neal.p.richardson@gmail.com ianmcook@gmail.com
post.html
in _layouts
 16 - 2017-05-05 2020-07-24 5 3 wes.mckinney@twosigma.com neal.p.richardson@gmail.com
arrow.rdf
in root
 56 - 2019-03-13 2025-02-22 5 5 kinow@users.noreply.github.com ianmcook@gmail.com
footer.html
in _includes
 14 - 2017-05-05 2021-02-12 6 5 wes.mckinney@twosigma.com kou@clear-code.com
main.scss
in css
 113 - 2017-05-05 2025-02-20 9 6 wes.mckinney@twosigma.com ianmcook@gmail.com
top.html
in _includes
 79 - 2017-05-24 2025-03-06 10 7 wes.mckinney@twosigma.com petridish@gmail.com
index.html
in root
 25 - 2017-05-05 2025-02-22 23 13 wes.mckinney@twosigma.com ianmcook@gmail.com
header.html
in _includes
 97 - 2017-04-25 2024-04-25 31 22 kou@clear-code.com andrew@nerdnetworks.org
Correlations

File Size vs. Number of Changes: 19 points

_includes/mailing_list_links.html x: 15 lines of code y: 2 # changes _includes/top.html x: 79 lines of code y: 10 # changes blog.html x: 45 lines of code y: 6 # changes arrow.rdf x: 56 lines of code y: 5 # changes index.html x: 25 lines of code y: 23 # changes _layouts/home.html x: 20 lines of code y: 7 # changes css/main.scss x: 113 lines of code y: 9 # changes _includes/blog_header.html x: 62 lines of code y: 5 # changes compose.yaml x: 10 lines of code y: 2 # changes _includes/header.html x: 97 lines of code y: 31 # changes scripts/check_committers.py x: 65 lines of code y: 2 # changes _includes/footer.html x: 14 lines of code y: 6 # changes _webpack/main.js x: 1 lines of code y: 1 # changes _layouts/article.html x: 15 lines of code y: 1 # changes _layouts/default.html x: 13 lines of code y: 2 # changes _layouts/post.html x: 16 lines of code y: 5 # changes css/syntax.css x: 216 lines of code y: 2 # changes
31.0
# changes
  min: 1.0
  average: 6.42
  25th percentile: 2.0
  median: 5.0
  75th percentile: 7.0
  max: 31.0
0 216.0
lines of code
min: 1.0 | average: 46.95 | 25th percentile: 15.0 | median: 20.0 | 75th percentile: 65.0 | max: 216.0

Number of Contributors vs. Number of Changes: 19 points

_includes/mailing_list_links.html x: 2 # contributors y: 2 # changes _includes/top.html x: 7 # contributors y: 10 # changes blog.html x: 3 # contributors y: 6 # changes arrow.rdf x: 5 # contributors y: 5 # changes index.html x: 13 # contributors y: 23 # changes _layouts/home.html x: 3 # contributors y: 7 # changes css/main.scss x: 6 # contributors y: 9 # changes _includes/blog_header.html x: 2 # contributors y: 5 # changes compose.yaml x: 1 # contributors y: 2 # changes _includes/header.html x: 22 # contributors y: 31 # changes _includes/footer.html x: 5 # contributors y: 6 # changes _webpack/main.js x: 1 # contributors y: 1 # changes _layouts/post.html x: 3 # contributors y: 5 # changes
31.0
# changes
  min: 1.0
  average: 6.42
  25th percentile: 2.0
  median: 5.0
  75th percentile: 7.0
  max: 31.0
0 22.0
# contributors
min: 1.0 | average: 4.37 | 25th percentile: 2.0 | median: 2.0 | 75th percentile: 5.0 | max: 22.0

Number of Contributors vs. File Size: 19 points

_includes/mailing_list_links.html x: 2 # contributors y: 15 lines of code _includes/top.html x: 7 # contributors y: 79 lines of code blog.html x: 3 # contributors y: 45 lines of code arrow.rdf x: 5 # contributors y: 56 lines of code index.html x: 13 # contributors y: 25 lines of code _layouts/home.html x: 3 # contributors y: 20 lines of code css/main.scss x: 6 # contributors y: 113 lines of code _includes/blog_header.html x: 2 # contributors y: 62 lines of code compose.yaml x: 1 # contributors y: 10 lines of code _includes/header.html x: 22 # contributors y: 97 lines of code scripts/check_committers.py x: 2 # contributors y: 65 lines of code _includes/footer.html x: 5 # contributors y: 14 lines of code _webpack/main.js x: 1 # contributors y: 1 lines of code _layouts/article.html x: 1 # contributors y: 15 lines of code _layouts/default.html x: 2 # contributors y: 13 lines of code _layouts/post.html x: 3 # contributors y: 16 lines of code css/syntax.css x: 2 # contributors y: 216 lines of code
216.0
lines of code
  min: 1.0
  average: 46.95
  25th percentile: 15.0
  median: 20.0
  75th percentile: 65.0
  max: 216.0
0 22.0
# contributors
min: 1.0 | average: 4.37 | 25th percentile: 2.0 | median: 2.0 | 75th percentile: 5.0 | max: 22.0