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st: Cohen's Kappa in Stata 2 raters 3 categories 200 cases


From   Jan Palach <jpalach@yahoo.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Cohen's Kappa in Stata 2 raters 3 categories 200 cases
Date   Wed, 27 Apr 2011 10:49:24 -0700 (PDT)

Hello all,


I need to calculate Cohen's Kappa for two raters in 200 cases. My problem is that in some cases the rater was given the possibility to rate 0, 1 or 2 (0 min, 1 average, and 2 max). 

First, I'm wondering if I can calculate Cohen's Kappa overall for the total score (a sum of all the 200 cases) and for each case.

Secondly, assuming this can be done, how do I structure the dataset?


Thanks a lot in advance,

janicke
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