Data Science & ML
Intermediate

Specificity

Of all actual negatives, the fraction correctly identified.

Formula

Specificity=TNTN+FPSpecificity = \frac{TN}{TN + FP}

Variables

TNTrue negatives
FPFalse positives

Example

TN=90, FP=10: Specificity = 0.90

Did You Know?

Specificity is the true negative rate, complementary to recall.