Date:         Sat, 19 May 2012 04:41:58 -0700
Reply-To:     whatsinaname <nsshami@hotmail.com>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         whatsinaname <nsshami@hotmail.com>
Subject:      Categorizing a power law distribution of user participation in an
              online community (non spss question)
Content-Type: text/plain; charset=UTF-8

I have data on participation in a large scale online community.
Participation follows a power law distribution. This means that a fraction
of the users are responsible for the majority of posts, i.e. a few people
post a LOT while a lot of people don’t post much at all.

My question is how to segment this population to tease apart differences
between high, low, and 'in between' usage?  Splitting users into groups at
equal percentiles does not seem appropriate.  I have not come across an
established method for this kind of segmentation.

Thoughts?

Thanks in advance!

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