Model Evaluation · Level 2 of 5
Specificity
The fraction of actual negatives correctly identified as negative.
It equals one minus the false-positive rate.
Example
A filter correctly accepts 990 of 1000 legitimate messages.
Listen to the definition and example
Audio transcript
Specificity. The fraction of actual negatives correctly identified as negative. It equals one minus the false-positive rate. For example: A filter correctly accepts 990 of 1000 legitimate messages.
Explore this concept
Why it matters
This helps you ask what a reported score counts and which errors it can hide.
Start with
Quick recall question
Try answering before looking back at the definition.