This function calculates Cohen's kappa on a contingencyTable or a codeSet
kappa(data)A contingencyTable or a codeSet
The kappa of the contingencyTable or codeSet
#Given a code set
kappa(data = codeSet)
#> [1] 0.625
#Given a contingency Table
kappa(data = contingencyTable)
#> [1] 0.625