Re: [R] R function to compute kappa statistics for two vector

From: Peter Dalgaard <p.dalgaard_at_biostat.ku.dk>
Date: Mon 02 Oct 2006 - 22:10:45 GMT

"Philip He" <hydinghua@gmail.com> writes:

> Dear R-user,
>
> Did anybody know how to calculate the kappa statistics of two vectors for
> the agreement? for example:
>
> a<-c(0,1,0,0,1,0)
>
> b<-c(0,1,1,0,0,1)
>
> I know the percent of agreement is 3/6, but how to get the kappa?

Multiple packages appear to have versions of Cohen's Kappa:

   irr, concord, psy, vcd, e1071

-- 
   O__  ---- Peter Dalgaard             ุster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard@biostat.ku.dk)                  FAX: (+45) 35327907

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Received on Tue Oct 03 08:19:57 2006

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