aucRoc
From caret v3.45
by Max Kuhn
Compute the area under an ROC curve
This function uses the trapezoidal rule to calculate the area. If the area is less than .5, then 1 - area
is used.
- Keywords
- manip
Usage
aucRoc(object)
Arguments
- object
- object from the
roc
function or a matrix/data frame with columns named "sensitivity" and "specificity"
Value
- a scalar number
See Also
Examples
set.seed(6)
testData <- data.frame(
x = c(rnorm(200), rnorm(200) + 1),
group = factor(rep(letters[1:2], each = 200)))
densityplot(~testData$x, groups = testData$group, auto.key = TRUE)
rocValues <- roc(testData$x, testData$group)
aucRoc(rocValues)
Community examples
Looks like there are no examples yet.