getErrorMeasures-methods: Calculate Error Measures
Description
Computes various error measures for the classification of a data set.Value
- A list with components
alpha, beta, accuracy,
precision, sensitivity, specificity, ppv and
npv, each a number in the range $[0,1]$.
Details
Let $\mathit{TP}$ be the number of correctly classified matches
(true positives), $\mathit{TN}$ the number of correctly classified
non-matches (true negatives), $\mathit{FP}$ and $\mathit{FN}$
the number of misclassified non-matches and matches
(false positives and false negatives). The calculated error measures are:
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