I've just made a map of tags for CrossValidated.

In short: tag size is related to tag popularity and edges are related to tag co-occurrences in questions (or more precisely: the observed/expected ratio, see Is there a term for $P(A\cap B)/[P(A)P(B)]$?).

For me it looks as a "snapshot" of topics and scope of this SE site. So if you want to you it in any way to promote Stats.SE - feel free!

Also, if you have comments how to improve its usefulness or niceness to our community, I would appreciate them (but bear in mind that I have no color esthetics).

Tag Map for Stats.SE


  • 2
    $\begingroup$ Nice example, what do the colors symbolize? $\endgroup$
    – Andy W
    Nov 1, 2012 at 15:24
  • $\begingroup$ @AndyW Different communities, as detected by wiki.gephi.org/index.php/Modularity with Resolution=1.0. $\endgroup$ Nov 1, 2012 at 15:28
  • $\begingroup$ Nice! For myself, I'm so happy to see how you all have adopted and supported the [machine-learning] community on here. It's now one of your largest tags! But seriously, this is super cool I'm sharing it with the team. $\endgroup$
    – Aarthi
    Nov 1, 2012 at 16:17
  • $\begingroup$ @Aarthi Nice to hear it! :) And congratulations for the machine-learning community building. $\endgroup$ Nov 1, 2012 at 17:17
  • 1
    $\begingroup$ This is fantastic! Nicely done! $\endgroup$
    – Kyle.
    Nov 1, 2012 at 23:54
  • $\begingroup$ I agree with Kyle. Great work ! $\endgroup$
    – steffen
    Nov 2, 2012 at 7:29
  • $\begingroup$ I expected R and regression tags to belong to the same group. $\endgroup$
    – mpiktas
    Nov 2, 2012 at 8:30
  • 3
    $\begingroup$ Hi Piotr, would you be interested in disseminating this info on the blog? I know it is a little late to help voting, but this would be wonderful material to talk alittle bit more about. Feel free to stop by the Skewed Distribution chat room if you are interested. $\endgroup$
    – Andy W
    Nov 2, 2012 at 18:40
  • $\begingroup$ @AndyW Thanks for suggestion and invitation! Yeah, for the competition is a bit late, but anyway, it seems to be a nice idea (I'm planing to work on the tag graph stuff, as I have a few more ideas). $\endgroup$ Nov 2, 2012 at 22:55
  • $\begingroup$ That homework tag is awfully conspicuous =P $\endgroup$
    – casperOne
    Dec 9, 2012 at 6:24
  • $\begingroup$ @PiotrMigdal. Nice work. Do you intend to update this in the future (maybe when it complete 1 year old?)? That would be nice. Thanks $\endgroup$ Sep 15, 2013 at 18:42
  • 1
    $\begingroup$ @AndreSilva Very likely. But this time I will try to do it interactive. $\endgroup$ Sep 15, 2013 at 19:09
  • $\begingroup$ @AndreSilva The interactive, and up to date, version is there: meta.stats.stackexchange.com/questions/2402/…. $\endgroup$ Feb 17, 2015 at 0:26
  • $\begingroup$ Wonderful work! Congratulations and thank you. $\endgroup$ Feb 17, 2015 at 12:57


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