TABLE 2.

Formulas for calculating performance measures

ACC	SN	SP	PREC	F1‐score
$\frac{\mathrm{TP}+\mathrm{TN}}{\mathrm{TP}+\mathrm{TN}+\mathrm{FP}+\mathrm{FN}}$	$\frac{\mathrm{TP}}{\mathrm{TP}+\mathrm{FN}}$	$\frac{\mathrm{TN}}{\mathrm{TN}+\mathrm{FP}}$	$\frac{\mathrm{TP}}{\mathrm{TP}+\mathrm{FP}}$	$\frac{\left(1+{\mathrm{\beta }}^2\right)\left(\text{PREC}\bullet \mathrm{SN}\right)}{\left({\mathrm{\beta }}^2\bullet \text{PREC}+\mathrm{SN}\right)}$