First thing I would do I create a histogram and see if there are obvious clumps.

whatsinaname wrote > > 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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