powered by
Calculates confusion matrix for given cutoff
confusion_matrix(probs, observed, cutoff)
object of class confussion_matrix
confussion_matrix
It is a list with following fields:
number of True Positives
number of False Positives
number of True Negatives
number of False Negatives
numeric, vector with probabilities given by model
numeric, vector with actual values from outcome, either 0 or 1
numeric, single value denoting cutoff/threshold
probs <- rnorm(20, 0.4, 0.1) observed <- round(runif(20)) confusion_matrix(probs, observed, 0.5)
Run the code above in your browser using DataLab