FP {measures}

False positives

Description

Sum of misclassified observations in the positive class. Also called false alarms.

Usage

FP(truth, response, positive)

Arguments

truth

vector of true values

response

vector of predicted values

positive

positive class

Examples

n = 20
set.seed(125)
truth = as.factor(sample(c(1,0), n, replace = TRUE))
probabilities = runif(n)
response = as.factor(as.numeric(probabilities > 0.5))
positive = 1
FP(truth, response, positive)