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resarch:nlpa:research_concepts [2014/09/25 16:16] preethac created |
resarch:nlpa:research_concepts [2014/10/02 13:58] (current) preethac |
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- | **Bold Text**Manual Annotation/Oracle/Ground Truth | + | **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)<sup>1/2</sup> | ||
+ | = 2PR/(P + R) |