oss-health-metrics:metrics:contributor-diversity
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oss-health-metrics:metrics:contributor-diversity [2017/04/19 18:38] abuhman |
oss-health-metrics:metrics:contributor-diversity [2017/09/09 23:44] GeorgLink Page permanently moved |
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| ====== Contributor Diversity ====== | ====== Contributor Diversity ====== | ||
| - | ===== 1. Acronym ===== | ||
| - | + | Page permanently moved to | |
| - | ===== 2. Alternate Names ===== | + | https://github.com/chaoss/metrics/blob/master/metrics/contributor-diversity.md |
| - | + | ||
| - | ===== 3. Classification ===== | + | |
| - | Community Health | + | |
| - | + | ||
| - | ===== 4. Description ===== | + | |
| - | Ratio of contributors from a single company over all contributors. | + | |
| - | Also described as: Maintainers from different companies. Diversity of contributor affiliation. | + | |
| - | + | ||
| - | The SQL queries below provide a total number of organizations or companies in relation to pull requests. If pull requests are not the best indicator of contributions, the queries can be modified to match the most helpful definition of contributions. Queries are for the GHTorrent database. | + | |
| - | + | ||
| - | Another option for contributor diversity is percentage of the repository written by an organization. Code for this is under development and is not fully tested. In progress example code may be found [[https://github.com/OSSHealth/ghdata/blob/dev/organizationHistory/pythonBlameHistoryTree.py|here]]. This code uses Git Blame and the GHTorrent database for its data sources. | + | |
| - | + | ||
| - | ==== Pseudo Code ==== | + | |
| - | + | ||
| - | ==== Visualization ==== | + | |
| - | + | ||
| - | ==== Interpretation ==== | + | |
| - | + | ||
| - | ===== 5. Example Implementations ===== | + | |
| - | === GHTorrent: Total number of organizations by project making pull requests (approved or not): === | + | |
| - | + | ||
| - | SELECT count(distinct org_id) as num_organizations, projects.name as project_name, url | + | |
| - | FROM | + | |
| - | organization_members | + | |
| - | join users on organization_members.user_id = users.id | + | |
| - | join pull_request_history on pull_request_history.actor_id = users.id | + | |
| - | join pull_requests on pull_request_history.pull_request_id = pull_requests.id | + | |
| - | join projects on pull_requests.base_repo_id = projects.id | + | |
| - | WHERE pull_request_history.action = 'opened' | + | |
| - | group by projects.id | + | |
| - | + | ||
| - | === GHTorrent: Alternately, using the "company" field in the users table instead of the organization: === | + | |
| - | + | ||
| - | SELECT count(distinct company) as num_companies, projects.name as project_name, url | + | |
| - | FROM | + | |
| - | users | + | |
| - | join pull_request_history on pull_request_history.actor_id = users.id | + | |
| - | join pull_requests on pull_request_history.pull_request_id = pull_requests.id | + | |
| - | join projects on pull_requests.base_repo_id = projects.id | + | |
| - | WHERE pull_request_history.action = 'opened' | + | |
| - | GROUP BY projects.id | + | |
| - | + | ||
| - | === GHTorrent: Number of organizations by project making pull requests that are approved: === | + | |
| - | + | ||
| - | SELECT count(distinct org_id) as num_organizations, projects.name as project_name, url | + | |
| - | FROM | + | |
| - | organization_members | + | |
| - | join users on organization_members.user_id = users.id | + | |
| - | join pull_request_history on pull_request_history.actor_id = users.id | + | |
| - | join pull_requests on pull_request_history.pull_request_id = pull_requests.id | + | |
| - | join projects on pull_requests.base_repo_id = projects.id | + | |
| - | WHERE pull_request_history.action = 'opened' | + | |
| - | AND pull_requests.id in | + | |
| - | (SELECT pull_request_id | + | |
| - | from pull_request_history | + | |
| - | where action = 'merged') | + | |
| - | group by projects.id | + | |
| - | + | ||
| - | ===== 6. Data Exchange Format ===== | + | |
| - | + | ||
| - | ===== 7. Known Implementations ===== | + | |
| - | + | ||
| - | ===== 8. References to Academic Literature ===== | + | |
| - | + | ||
| - | ===== 6. Data Source ===== | + | |
| - | GHTorrent Database, Git Blame | + | |
| - | + | ||
| - | + | ||
| - | ===== 10. Internet References ===== | + | |
| - | + | ||
| - | + | ||
| - | ===== 11. Contributors ===== | + | |
| - | Anna Buhman | + | |
oss-health-metrics/metrics/contributor-diversity.txt · Last modified: 2017/10/06 20:53 by GeorgLink
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