Recall
Also: sensitivity, true-positive rate
The fraction of actual positive cases that a detector finds.
Recall = TP/(TP+FN) and must be reported with class definition, threshold, and test distribution.
- Units
- dimensionless or percent
- Formula
recall = TP/(TP+FN)
Example Finding 90 of 100 actual obstacles gives 90% recall.
Common misconception High recall can coexist with many false alarms and therefore low precision.