Description Usage Arguments Value Author(s) Examples
The function calculates two rates - True Positive and False Positive Rates (TPR and FPR) - in order to evaluate the performance of an outlier detection method. Both rates range between zero and one.
1 | GetOutRates(label, predict, out = "out")
|
label |
The numeric (character) vector containing the outlier memberhip, e.g. 1: non-outliers, 0: outliers |
predict |
The numeric (character) vector consisting of values refering the outlier memberhip predicted by an outlier dection method, e.g. 1: declared as non outliers, 0: identified as outliers |
out |
a numeric (character) value corresponding to the value indicating outliers, e.g. |
The function returns list of two values
TPR |
The true positive rate is defined as the ration between the number of
correctly idenitified outliers and the number of actual outliers. |
FPR |
The false positive rate is calculated as the number of wrongly identified outliers devided by
the total number of actual non-outliers. |
Sarka Brodinova <sarka.brodinova@tuwien.ac.at>
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