Description Usage Arguments Examples
View source: R/measures_binaryclass.R
Brier score scaled to [0,1], see http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3575184/.
1 | BrierScaled(probabilities, truth, negative, positive)
|
probabilities |
[numeric] vector of predicted probabilities |
truth |
vector of true values |
negative |
negative class |
positive |
positive class |
1 2 3 4 5 6 7 8 | 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
negative = 0
BrierScaled(probabilities, truth, negative, positive)
|
[1] -0.7223932
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