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resarch:nlpa:research_concepts [2014/09/25 22:21]
preethac
resarch:nlpa:research_concepts [2014/10/02 13:58] (current)
preethac
Line 1: Line 1:
-**Precision and Recall+**Precision(P) and Recall(R)
 ** **
-                    + 
-                              Manual Annotation/​Oracle/​Ground Truth     + 
 +Manual Annotation/​Oracle/​Ground Truth(X Axis) 
 +\\ System Output(Y Axis)     ​
  
  
  
 |              ^ Yes                  ^ No                 ^ |              ^ Yes                  ^ No                 ^
-^ Yes          | True Positive ​       | False Positive ​    ​+^ Yes          | True Positive(TP)    ​| False Positive(FP) 
-^ No           | False Negative ​      ​| True Negative ​     |+^ 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)
resarch/nlpa/research_concepts.1411698068.txt.gz · Last modified: 2014/09/25 22:21 by preethac
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