Table 3 Classification performance measures.
From: Hybrid Big Bang-Big crunch with cuckoo search for feature selection in credit card fraud detection
Measure | Evaluation formula |
|---|---|
Precision | \(\:\frac{\text{T}\text{P}}{\text{T}\text{P}+\text{F}\text{P}}\) |
Recall | \(\:\frac{\text{T}\text{P}}{\text{T}\text{P}+\text{F}\text{N}}\) |
F-Measure | \(\:2\times\:\frac{\text{P}\text{r}\text{e}\text{c}\text{i}\text{s}\text{i}\text{o}\text{n}\times\:\text{R}\text{e}\text{c}\text{a}\text{l}\text{l}}{\text{P}\text{r}\text{e}\text{c}\text{i}\text{s}\text{i}\text{o}\text{n}+\text{R}\text{e}\text{c}\text{a}\text{l}\text{l}}\) |
Accuracy | \(\:\frac{\text{T}\text{P}+\text{T}\text{N}}{\text{T}\text{P}+\text{T}\text{N}+\text{F}\text{P}+\text{F}\text{N}}\) |
