library(vcd)
data(MSPatients, package="vcd")

Calculate Kappa for each set of patients

Kappa(MSPatients[,,1])
##             value     ASE     z
## Unweighted 0.2079 0.05046 4.121
## Weighted   0.3797 0.05167 7.350
Kappa(MSPatients[,,2])
##             value     ASE     z
## Unweighted 0.2965 0.07850 3.777
## Weighted   0.4773 0.07303 6.535
confint(Kappa(MSPatients[,,1]))
##             
## Kappa              lwr       upr
##   Unweighted 0.1090518 0.3068332
##   Weighted   0.2784654 0.4809957
confint(Kappa(MSPatients[,,2]))
##             
## Kappa              lwr       upr
##   Unweighted 0.1426518 0.4503813
##   Weighted   0.3341346 0.6204108

Agreement plots

agreementplot(t(MSPatients[,,1]), main = "Winnipeg Patients")

agreementplot(t(MSPatients[,,2]), main = "New Orleans Patients")