Documentation Metrics


All metrics used in the quality model are described thereafter, with useful information and references. They are classified according to their source. Please note also that several other metrics may be retrieved but not used in the quality model.



  • ITS Authors ( ITS_AUTHORS )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by:

    Scale: 1 < 2 ≤ 2 < 4 ≤ 3 < 9.75 ≤ 4 < 80 ≤ 5

    Number of different authors who created issues during the lifetime of the project.

    A high number of authors shows diversity and improves the bus factor of the project.

  • ITS authors last month ( ITS_AUTHORS_1M )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by: QM_DIVERSITY

    Scale: 1 < 2 ≤ 2 < 4 ≤ 3 < 9.75 ≤ 4 < 80 ≤ 5

    Number of authors who created issues during last month. If today is 2017-02-01 then the range is from 2017-01-01 to 2017-02-01.

  • ITS authors last week ( ITS_AUTHORS_1W )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by:

    Scale: 1 < 2 ≤ 2 < 4 ≤ 3 < 9.75 ≤ 4 < 80 ≤ 5

    Number of authors who created issues during last week. If today is Wed. 2017-02-01 then the range is from Wed. 2017-01-25 to Wed. 2017-02-01.

  • ITS authors last year ( ITS_AUTHORS_1Y )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by:

    Scale: 1 < 2 ≤ 2 < 4 ≤ 3 < 9.75 ≤ 4 < 80 ≤ 5

    Number of authors who created issues during last year. If today is 2017-02-01 then the range is from 2016-02-01 to 2017-02-01.

  • ITS issues created last month ( ITS_CREATED_1M )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by:

    Scale: 1 < 2 ≤ 2 < 4 ≤ 3 < 9.75 ≤ 4 < 80 ≤ 5

    Number of issues created during last month. If today is 2017-02-01 then the range is from 2017-01-01 to 2017-02-01.

  • ITS issues created last week ( ITS_CREATED_1W )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by:

    Scale: 1 < 2 ≤ 2 < 4 ≤ 3 < 9.75 ≤ 4 < 80 ≤ 5

    Number of issues created during last week. If today is Wed. 2017-02-01 then the range is from Wed. 2017-01-25 to Wed. 2017-02-01.

  • ITS issues created last year ( ITS_CREATED_1Y )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by:

    Scale: 1 < 2 ≤ 2 < 4 ≤ 3 < 9.75 ≤ 4 < 80 ≤ 5

    Number of issues created during last year. If today is 2017-02-01 then the range is from 2016-02-01 to 2017-02-01.

  • ITS Total issues ( ITS_ISSUES_ALL )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by:

    Scale: 1 < 1 ≤ 2 < 2 ≤ 3 < 3 ≤ 4 < 4 ≤ 5

    Number of issues registered in the database, whatever their state is.

  • ITS Open issues ( ITS_OPEN )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by: QM_RELIABILITY

    Scale: 1 < 1 ≤ 2 < 2 ≤ 3 < 3 ≤ 4 < 4 ≤ 5

    Number of issues with a state 'open' at the time of analysis.

  • ITS Open issues (%) ( ITS_OPEN_PERCENT )

    Provided by: Bugzilla , JiraIts

    Used by:

    Scale: 1 < 1 ≤ 2 < 2 ≤ 3 < 3 ≤ 4 < 4 ≤ 5

    Percentage of open issues compared to the overall number of issues registered in the system.

  • ITS Pending issues ( ITS_OPEN_UNASSIGNED )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by:

    Scale: 1 < 1 ≤ 2 < 2 ≤ 3 < 3 ≤ 4 < 4 ≤ 5

    Number of issues in state open with no assignee (i.e. pending).

    It is considered to be good practice to keep this number low. In an active project, people would either work on the bug (i.e. assign it) or triage it (pass it to some other state or assigning it).

  • ITS issues updated last month ( ITS_UPDATED_1M )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by: QM_ACTIVITY , QM_SUPPORT

    Scale: 1 < 2 ≤ 2 < 4 ≤ 3 < 9.75 ≤ 4 < 80 ≤ 5

    Number of issues updated during last month. If today is 2017-02-01 then the range is from 2017-01-01 to 2017-02-01.

  • ITS issues updated last week ( ITS_UPDATED_1W )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by:

    Scale: 1 < 2 ≤ 2 < 4 ≤ 3 < 9.75 ≤ 4 < 80 ≤ 5

    Number of issues updated during last week. If today is Wed. 2017-02-01 then the range is from Wed. 2017-01-25 to Wed. 2017-02-01.

  • ITS issues updated last year ( ITS_UPDATED_1Y )

    Provided by: Bugzilla , GitLabIts , JiraIts

    Used by:

    Scale: 1 < 2 ≤ 2 < 4 ≤ 3 < 9.75 ≤ 4 < 80 ≤ 5

    Number of issues updated during last year. If today is 2017-02-01 then the range is from 2016-02-01 to 2017-02-01.


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