On 08/10/2011 06:38 PM, gavfung wrote:
Hi, I just started learning R, and one of the most frequent thing that I need
to calculate is cohen kappa in my psychology lab and I figure being able to
do inter rater reliability is a great way for me to explore R. There are
two different scenario in whic
Hi, I just started learning R, and one of the most frequent thing that I need
to calculate is cohen kappa in my psychology lab and I figure being able to
do inter rater reliability is a great way for me to explore R. There are
two different scenario in which I need help with. (By the way, I have
i
The kappa2() function in the irr library takes an n x 2 matrix as input,
where the two columns are the ratings by two raters. Let x and y below be
the ratings of the two raters:
x<-sample(c(0,1,2),100,replace=T)
x
o<-sample(c(0,0,0,1),100,replace=T)
y<-x+o
y
#Then kappa is computed as:
kappa2(
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