Sökning: "Rank-invariant methods"

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1. 1. Kappa — A Critical Review

   Master-uppsats, Statistiska institutionen

   Författare :Li Xier; [2010]
   Nyckelord :Kappa coefficient; weighted Kappa; agreement; bias; prevalence; unbalanced situation; Rank-invariant methods;

   Sammanfattning : The Kappa coefficient is widely used in assessing categorical agreement between two raters or two methods. It can also be extended to more than two raters (methods).  When using Kappa, the shortcomings of this coefficient should be not neglected.  Bias and prevalence effects lead to paradoxes of Kappa. LÄS MER