KAPPA: Cohen's kappa
In measures: Performance Measures for Statistical Learning

Defined as: 1 - (1 - p0) / (1 - pe). With: p0 = 'observed frequency of agreement' and pe = 'expected agremeent frequency under independence

1	KAPPA(truth, response)

`truth`	vector of true values
`response`	vector of predicted values n = 20 set.seed(122) truth = as.factor(sample(c(1,2,3), n, replace = TRUE)) response = as.factor(sample(c(1,2,3), n, repla KAPPA(truth, response)

measures documentation built on Jan. 19, 2021, 5:08 p.m.

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