True positive rate
Percentage of correctly classified observations in the positive class. Also called hit rate or recall or sensitivity.
TPR(truth, response, positive)
truth |
vector of true values |
response |
vector of predicted values |
positive |
positive class |
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 TPR(truth, response, positive)
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