Table 3 Evaluation metrics Metric... | Emerald Publishing

Table 3

Evaluation metrics

Metric	Description	Equation
Accuracy (AC)	The proportion of correctly classified observations	$\frac{T P + T N}{T P + T N + F P + F N}$
Precision (P)	The ratio of observations correctly classified as positive to all observations classified as positive	$\frac{T P}{T P + F P}$
Recall (R)	The ratio of observations correctly classified as positive to all actual positive observations	$\frac{T P}{T P + F N}$
F1 score (F1)	It is the harmonic mean (average) of precision and recall	$\frac{2 P R}{P + R}$

Metric	Description	Equation
Accuracy (AC)	The proportion of correctly classified observations	$\frac{T P + T N}{T P + T N + F P + F N}$
Precision (P)	The ratio of observations correctly classified as positive to all observations classified as positive	$\frac{T P}{T P + F P}$
Recall (R)	The ratio of observations correctly classified as positive to all actual positive observations	$\frac{T P}{T P + F N}$
F1 score (F1)	It is the harmonic mean (average) of precision and recall	$\frac{2 P R}{P + R}$

Source(s): Authors’ own work