Kappa {SDMTools} | R Documentation |
Kappa
estimates the Kappa statistic for model
accuracy.
Kappa(mat)
mat |
a confusion matrix of class 'confusion.matrix'
from |
Returns a single value represting the Kappa statistic.
Jeremy VanDerWal jjvanderwal@gmail.com
auc
, omission
,
sensitivity
, specificity
,
prop.correct
, confusion.matrix
,
accuracy
#create some data obs = c(sample(c(0,1),20,replace=TRUE),NA); obs = obs[order(obs)] pred = runif(length(obs),0,1); pred = pred[order(pred)] #calculate the confusion matrix mat = confusion.matrix(obs,pred,threshold=0.5) #calculate the Kappa statistic Kappa(mat)