Precision(P) and Recall(R)
Manual Annotation/Oracle/Ground Truth(X Axis)
System Output(Y Axis)
| Yes | No | |
|---|---|---|
| Yes | True Positive(TP) | False Positive(FP) |
| No | False Negative(FN) | True Negative(TN) |
P= TP/(TP+FP)
R= TP/(TP+FN)
F= 1/(1/P + 1/R)1/2 = 2PR/(P + R)