Cohen's kappa

Source: R/measure_kappa.R

This function is based on function `measureKAPPA` from `mlr` package.

measure_kappa(truth = NULL, response = NULL, conf_mat = NULL)

Arguments

truth

a vector with true (reference) values.
response

a vector with response (predicted) values.
conf_mat

a table similar to (table(truth, response, useNA = "no")).

Value

[!!!]

See also

Other measures_: measure_wkappa()

Examples


truth <- rep(1:3, times = 50)
prediction <- rep(3:1, each = 50)

measure_kappa(truth, prediction)

#> [1] -0.02

square_matrix <- table(truth, prediction)
measure_kappa(conf_mat = square_matrix)

#> [1] -0.02


# # matrix(c("TP", "FN", "FP", "TN"), 2)
#
# make_conf_matrix <- function(TP, FN, FP, TN)
#                  matrix(c(TP, FN, FP, TN), 2)
#