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 22 files with 1,359 lines of code.
    • 0 files changed more than 100 times (0 lines of code)
    • 0 files changed 51-100 times (0 lines of code)
    • 4 files changed 21-50 times (525 lines of code)
    • 5 files changed 6-20 times (283 lines of code)
    • 13 files changed 1-5 times (551 lines of code)
0% | 0% | 38% | 20% | 40%
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 22 files with 1,359 lines of code.
    • 0 files changed by more than 25 contributors (0 lines of code)
    • 5 files changed by 11-25 contributors (573 lines of code)
    • 1 file changed by 6-10 contributors (43 lines of code)
    • 11 files changed by 2-5 contributors (635 lines of code)
    • 5 files changed by 1 contributor (108 lines of code)
0% | 42% | 3% | 46% | 7%
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, yml, txt, json, gitignore, js, css, scss, py, sh, rdf, yaml
File Change Frequency per Extension
The number of recorded file updates
101+
51-100
21-50
6-20
1-5
yml0% | 0% | 81% | 18% | 0%
html0% | 0% | 27% | 21% | 50%
scss0% | 0% | 0% | 100% | 0%
css0% | 0% | 0% | 0% | 100%
py0% | 0% | 0% | 0% | 100%
rdf0% | 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
_data0% | 0% | 89% | 10% | 0%
_includes0% | 0% | 34% | 32% | 32%
ROOT0% | 0% | 15% | 27% | 56%
css0% | 0% | 0% | 31% | 68%
_layouts0% | 0% | 0% | 0% | 100%
scripts0% | 0% | 0% | 0% | 100%
_webpack0% | 0% | 0% | 0% | 100%
Most Frequently Changed Files (Top 22)

See data for all files...

File# lines# unitscreatedlast modified# changes
(days)		# contributorsfirst
contributor		latest
contributor
388 - 2020-07-24 2023-08-07 42 23 neal.p.richardson@gmail.com andrew@nerdnetworks.org
versions.yml
in _data
 15 - 2018-01-19 2023-06-13 35 11 riboflavin@justindunham.net raulcumplido@gmail.com
header.html
in _includes
 97 - 2017-04-25 2023-07-18 29 21 kou@clear-code.com dewey@dunnington.ca
index.html
in root
 25 - 2017-05-06 2023-06-16 21 12 wes.mckinney@twosigma.com kou@clear-code.com
43 - 2017-04-28 2022-02-17 17 8 kou@clear-code.com djnavarro@protonmail.com
48 - 2017-05-08 2023-05-04 15 13 wes.mckinney@twosigma.com yev.pats@gmail.com
top.html
in _includes
 79 - 2017-05-24 2021-02-12 7 5 wes.mckinney@twosigma.com kou@clear-code.com
main.scss
in css
 99 - 2017-05-06 2022-01-31 7 5 wes.mckinney@twosigma.com li.davidm96@gmail.com
footer.html
in _includes
 14 - 2017-05-06 2021-02-12 6 5 wes.mckinney@twosigma.com kou@clear-code.com
post.html
in _layouts
 16 - 2017-05-06 2020-07-24 5 3 wes.mckinney@twosigma.com neal.p.richardson@gmail.com
blog.html
in root
 43 - 2017-05-06 2020-07-24 5 2 wes.mckinney@twosigma.com neal.p.richardson@gmail.com
blog_header.html
in _includes
 62 - 2019-07-31 2020-07-24 4 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
home.html
in _layouts
 28 - 2020-07-24 2020-08-04 3 2 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
arrow.rdf
in root
 47 - 2019-03-13 2022-12-19 3 3 kinow@users.noreply.github.com alenkaf@users.noreply.githu...
default.html
in _layouts
 13 - 2018-10-01 2020-07-24 2 2 uwe.korn@blue-yonder.com neal.p.richardson@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 2018-10-01 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
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
15 - 2020-07-24 2020-07-24 1 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
Files With Most Contributors (Top 22)
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
388 - 2020-07-24 2023-08-07 42 23 neal.p.richardson@gmail.com andrew@nerdnetworks.org
header.html
in _includes
 97 - 2017-04-25 2023-07-18 29 21 kou@clear-code.com dewey@dunnington.ca
48 - 2017-05-08 2023-05-04 15 13 wes.mckinney@twosigma.com yev.pats@gmail.com
index.html
in root
 25 - 2017-05-06 2023-06-16 21 12 wes.mckinney@twosigma.com kou@clear-code.com
versions.yml
in _data
 15 - 2018-01-19 2023-06-13 35 11 riboflavin@justindunham.net raulcumplido@gmail.com
43 - 2017-04-28 2022-02-17 17 8 kou@clear-code.com djnavarro@protonmail.com
top.html
in _includes
 79 - 2017-05-24 2021-02-12 7 5 wes.mckinney@twosigma.com kou@clear-code.com
main.scss
in css
 99 - 2017-05-06 2022-01-31 7 5 wes.mckinney@twosigma.com li.davidm96@gmail.com
footer.html
in _includes
 14 - 2017-05-06 2021-02-12 6 5 wes.mckinney@twosigma.com kou@clear-code.com
post.html
in _layouts
 16 - 2017-05-06 2020-07-24 5 3 wes.mckinney@twosigma.com neal.p.richardson@gmail.com
arrow.rdf
in root
 47 - 2019-03-13 2022-12-19 3 3 kinow@users.noreply.github.com alenkaf@users.noreply.githu...
blog.html
in root
 43 - 2017-05-06 2020-07-24 5 2 wes.mckinney@twosigma.com neal.p.richardson@gmail.com
home.html
in _layouts
 28 - 2020-07-24 2020-08-04 3 2 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
analytics.html
in _includes
 15 - 2017-10-04 2022-04-29 2 2 wes.mckinney@twosigma.com kou@clear-code.com
216 - 2017-05-24 2018-10-01 2 2 wes.mckinney@twosigma.com uwe.korn@blue-yonder.com
default.html
in _layouts
 13 - 2018-10-01 2020-07-24 2 2 uwe.korn@blue-yonder.com neal.p.richardson@gmail.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 2020-07-24 4 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
15 - 2020-07-24 2020-07-24 1 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.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 Least Contributors (Top 22)
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
blog_header.html
in _includes
 62 - 2019-07-31 2020-07-24 4 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
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
overview.html
in _layouts
 15 - 2020-07-24 2020-07-24 1 1 neal.p.richardson@gmail.com neal.p.richardson@gmail.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 2018-10-01 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.html
in root
 43 - 2017-05-06 2020-07-24 5 2 wes.mckinney@twosigma.com neal.p.richardson@gmail.com
home.html
in _layouts
 28 - 2020-07-24 2020-08-04 3 2 neal.p.richardson@gmail.com neal.p.richardson@gmail.com
analytics.html
in _includes
 15 - 2017-10-04 2022-04-29 2 2 wes.mckinney@twosigma.com kou@clear-code.com
default.html
in _layouts
 13 - 2018-10-01 2020-07-24 2 2 uwe.korn@blue-yonder.com neal.p.richardson@gmail.com
arrow.rdf
in root
 47 - 2019-03-13 2022-12-19 3 3 kinow@users.noreply.github.com alenkaf@users.noreply.githu...
post.html
in _layouts
 16 - 2017-05-06 2020-07-24 5 3 wes.mckinney@twosigma.com neal.p.richardson@gmail.com
main.scss
in css
 99 - 2017-05-06 2022-01-31 7 5 wes.mckinney@twosigma.com li.davidm96@gmail.com
top.html
in _includes
 79 - 2017-05-24 2021-02-12 7 5 wes.mckinney@twosigma.com kou@clear-code.com
footer.html
in _includes
 14 - 2017-05-06 2021-02-12 6 5 wes.mckinney@twosigma.com kou@clear-code.com
43 - 2017-04-28 2022-02-17 17 8 kou@clear-code.com djnavarro@protonmail.com
versions.yml
in _data
 15 - 2018-01-19 2023-06-13 35 11 riboflavin@justindunham.net raulcumplido@gmail.com
index.html
in root
 25 - 2017-05-06 2023-06-16 21 12 wes.mckinney@twosigma.com kou@clear-code.com
48 - 2017-05-08 2023-05-04 15 13 wes.mckinney@twosigma.com yev.pats@gmail.com
header.html
in _includes
 97 - 2017-04-25 2023-07-18 29 21 kou@clear-code.com dewey@dunnington.ca
388 - 2020-07-24 2023-08-07 42 23 neal.p.richardson@gmail.com andrew@nerdnetworks.org
Correlations

File Size vs. Number of Changes: 22 points

_data/committers.yml x: 388 lines of code y: 42 # changes _includes/header.html x: 97 lines of code y: 29 # changes index.html x: 25 lines of code y: 21 # changes _data/versions.yml x: 15 lines of code y: 35 # changes _data/contributors.yml x: 48 lines of code y: 15 # changes arrow.rdf x: 47 lines of code y: 3 # changes _includes/analytics.html x: 15 lines of code y: 2 # changes _config.yml x: 43 lines of code y: 17 # changes css/main.scss x: 99 lines of code y: 7 # changes scripts/check_committers.py x: 65 lines of code y: 2 # changes _includes/footer.html x: 14 lines of code y: 6 # changes _includes/top.html x: 79 lines of code y: 7 # changes _webpack/main.js x: 1 lines of code y: 1 # changes _layouts/home.html x: 28 lines of code y: 3 # changes _includes/blog_header.html x: 62 lines of code y: 4 # changes _includes/mailing_list_links.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 blog.html x: 43 lines of code y: 5 # changes css/syntax.css x: 216 lines of code y: 2 # changes
42.0
# changes
  min: 1.0
  average: 9.59
  25th percentile: 2.0
  median: 4.5
  75th percentile: 15.5
  max: 42.0
0 388.0
lines of code
min: 1.0 | average: 61.77 | 25th percentile: 15.0 | median: 35.5 | 75th percentile: 68.5 | max: 388.0

Number of Contributors vs. Number of Changes: 22 points

_data/committers.yml x: 23 # contributors y: 42 # changes _includes/header.html x: 21 # contributors y: 29 # changes index.html x: 12 # contributors y: 21 # changes _data/versions.yml x: 11 # contributors y: 35 # changes _data/contributors.yml x: 13 # contributors y: 15 # changes arrow.rdf x: 3 # contributors y: 3 # changes _includes/analytics.html x: 2 # contributors y: 2 # changes _config.yml x: 8 # contributors y: 17 # changes css/main.scss x: 5 # contributors y: 7 # changes _includes/footer.html x: 5 # contributors y: 6 # changes _webpack/main.js x: 1 # contributors y: 1 # changes _layouts/home.html x: 2 # contributors y: 3 # changes _includes/blog_header.html x: 1 # contributors y: 4 # changes _layouts/post.html x: 3 # contributors y: 5 # changes blog.html x: 2 # contributors y: 5 # changes
42.0
# changes
  min: 1.0
  average: 9.59
  25th percentile: 2.0
  median: 4.5
  75th percentile: 15.5
  max: 42.0
0 23.0
# contributors
min: 1.0 | average: 5.73 | 25th percentile: 1.75 | median: 2.5 | 75th percentile: 8.75 | max: 23.0

Number of Contributors vs. File Size: 22 points

_data/committers.yml x: 23 # contributors y: 388 lines of code _includes/header.html x: 21 # contributors y: 97 lines of code index.html x: 12 # contributors y: 25 lines of code _data/versions.yml x: 11 # contributors y: 15 lines of code _data/contributors.yml x: 13 # contributors y: 48 lines of code arrow.rdf x: 3 # contributors y: 47 lines of code _includes/analytics.html x: 2 # contributors y: 15 lines of code _config.yml x: 8 # contributors y: 43 lines of code css/main.scss x: 5 # contributors y: 99 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 _includes/top.html x: 5 # contributors y: 79 lines of code _webpack/main.js x: 1 # contributors y: 1 lines of code _layouts/home.html x: 2 # contributors y: 28 lines of code _includes/blog_header.html x: 1 # contributors y: 62 lines of code _includes/mailing_list_links.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 blog.html x: 2 # contributors y: 43 lines of code css/syntax.css x: 2 # contributors y: 216 lines of code
388.0
lines of code
  min: 1.0
  average: 61.77
  25th percentile: 15.0
  median: 35.5
  75th percentile: 68.5
  max: 388.0
0 23.0
# contributors
min: 1.0 | average: 5.73 | 25th percentile: 1.75 | median: 2.5 | 75th percentile: 8.75 | max: 23.0