Marcel is totally right! If you want to do one off analyses for specific pages or namespaces though(like browser breakdown for namespace User: on enwiki - main namespace may not be possible), that may be possible if you run some queries in our Hive store. Do you have access to stat1002(analytics-privatedata-users group)? If not you can request access as per https://wikitech.wikimedia.org/wiki/Analytics/Cluster/Access and we can help you run some one off calculations.

On Fri, Apr 29, 2016 at 10:36 AM, Marcel Ruiz Forns <mforns@wikimedia.org> wrote:
Hi Amir,

Would it be crazy to ask for statistics of user agents per page or per namespace?
I'd hypothesize, for example, that IE is used much less outside of the article and portal namespaces. 
 
I don't think it's crazy. I +1 your hypothesis :]
But, yes, I see it difficult to implement:
  • The new user-agent breakdown reports (browser-reports.wmflabs.org) are derived from the pageview_hourly table which comes from the webrequest table, both in hadoop. None of them has structured information about the namespace. It should be parsed from the URL or other fields, but the namespaces have different names in different languages, so this would be very tricky.

  • Breaking down the user-agent statistics per article would be also very expensive computationally, given the high number of articles. The Pageview API shows pageviews per article, and to reach this we Analytics have had to solve storage and data loading and compression problems, that arose from the big size of that data. Having user-agent breakdown per article would mean multiplying the size of that by a lot.
Maybe I'm missing an easier way to do it, but it seems it would take a long time to solve this.

On Fri, Apr 29, 2016 at 1:04 PM, Amir E. Aharoni <amir.aharoni@mail.huji.ac.il> wrote:
Would it be crazy to ask for statistics of user agents per page or per namespace?

I'd hypothesize, for example, that IE is used much less outside of the article and portal namespaces.

In case you're wondering what is it useful for: When I have a patch that requires browser compatibility trickery, I may want to invest less time in IE compatibility in a page that is unlikely to be viewed in IE much.

--
Amir Elisha Aharoni · אָמִיר אֱלִישָׁע אַהֲרוֹנִי
http://aharoni.wordpress.com
‪“We're living in pieces,
I want to live in peace.” – T. Moore‬

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Marcel Ruiz Forns
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Wikimedia Foundation

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--Madhu :)