Research:Rolling active editor

Standard metric

Rolling active editor

Specification

A ${\text{rolling active editor}}(T,u,n)$ is a registered user who completed $n$ edits to pages in any namespace of a Wikimedia project between $T-u$ and $T$.

WMF Standard

• $n$ = 5 edits
• $u$ = 30 days

Measures

Community size

Related metrics

Research:Monthly active editor

Status

SQL

SET @n = 5; /* edits threshold */
SET @u = 30; /* activity unit in days */
SET @T = "20140102"; /* February 1st, 2014 before midnight */
 
/* Results in a set of "new editors" */
SELECT
  user_id,
  user_name,
  user_registration
FROM
  (
    /* Get revisions to content pages that are still visible */
    SELECT
      user_id,
      user_name,
      user_registration,
      SUM(rev_id IS NOT NULL) AS revisions
    FROM user
    LEFT JOIN revision ON
        rev_user = user_id
    WHERE 
        rev_timestamp BETWEEN DATE_FORMAT(DATE_SUB(@T, INTERVAL @u DAY), "%Y%m%d%H%i%S") AND @T
    GROUP BY 1,2,3
 
    UNION ALL
 
    /* Get revisions to content pages that have been archived */
    SELECT
      user_id,
      user_name,
      user_registration,
      SUM(ar_id IS NOT NULL) AS revisions /* Note that ar_rev_id is sometimes set to NULL :( */
    FROM user
    LEFT JOIN archive ON 
      ar_user = user_id
    WHERE 
        ar_timestamp BETWEEN DATE_FORMAT(DATE_SUB(@T, INTERVAL @u DAY), "%Y%m%d%H%i%S") AND @T
    GROUP BY 1,2,3
  ) AS user_content_revision_count
GROUP BY 1,2,3
HAVING SUM(revisions) >= @n;

Discussion

Analysis