cohensKappa | R Documentation |
Calculates Cohen's \kappa
(kappa) coefficient for two
equal length vectors.
cohensKappa(x, y, adjusted = TRUE)
x |
vector, coerced to factor. |
y |
vector, coerced to factor. |
adjusted |
logical. If |
Cohen's kappa coefficient measures the agreement between two categorical vectors. Zero indicates that the agreement is no better than expected by chance, while a value of one indicates perfect correspondence.
If adjusted=TRUE, returns the kappa coefficient [-1,1]. If adjusted=FALSE, returns ordinary accuracy [0,1].
Cases with NA in either input vector are ignored.
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