measures: GMEAN – R documentation

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GMEAN

G-mean

Description

Geometric mean of recall and specificity.

Usage

GMEAN(truth, response, negative, positive)

Arguments

`truth`	vector of true values
`response`	vector of predicted values
`negative`	negative class
`positive`	positive class

References

He, H. & Garcia, E. A. (2009) *Learning from Imbalanced Data.* IEEE Transactions on Knowledge and Data Engineering, vol. 21, no. 9. pp. 1263-1284.

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
negative = 0
GMEAN(truth, response, negative, positive)

measures

Performance Measures for Statistical Learning

v0.3

GPL-3

Authors

Philipp Probst [aut, cre]

Initial release