In the context of formula for Cohen's Kappa
\(A. K = \frac{f_o-f_c}{N - f_c}\)
B. fo = observed frequency
C. fc = expected frequency
D. N = Overall total of data points in the frequency matrix
Choose the most appropriate answer from the options given below:
1
A, B only
2
A. C only
3
A, B, C only
4
A, B, C, D only