Analytics/Archive/Editor Engagement Vital Signs/Data Breakdown

When looking at one metric, there are many ways to break down that metric. So many - in fact - that we face a possible explosion of breakdowns.

The purpose of this document is to design and constrain the ways a metric can be broken such that we only present useful breakdowns to users.

by Project
Example: enwiki, dewiki, jawiki, Commons, etc. There are 882 projects in all.

Why: some projects are taking off, others have declining total active editors.

by Target

 * Mobile site (e.g. en.m.wikipedia.org)
 * main site (aka desktop site)
 * API
 * Other

by User Agent or Device

 * Tablet (generally goes to the desktop site)
 * Desktop
 * Mobile device
 * Other

by Language
What do we do for multilingual projects.

English, French, Japanese

by Region
Country, continent, MSA?

by Gender

 * Male
 * Female
 * Other
 * Unknown