달력

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F1지표(F1 score) 예시

 

 

 

Predict Negative

Predict Positive

Predict data

 

 

PN=0

PP=1

total

True Negative

TN=0

5 (TN)

2 (FP)

7 (N)

True  Positive

TP=1

3 (FN)

5 (TP)

8 (P)

Actual data

total

8

7

15

 

지표

계산값

재현율(Recall)

= 민감도(Sensitivity)

= TPR

5/8=0.625


정밀도 (Precision)

5/7=0.7143


F1

2x( (0.625x0.7143)/(0.625+0.7143) ) = 0.6667

 

 


 


Posted by codedragon codedragon

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