달력

7

« 2020/7 »

  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  •  


 

 

 

민감도(Sensitivity) & 특이도(Specificity) 예시

 

 

민감도(Sensitivity) 계산

 

 

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

민감도(Sensitivity)

= TPR

5/8=0.625

특이도(Specificity)

= 1-FPR

FPR: 2/7=0.2857

 

1-2/7=0.7143

 


 

 

 

 

 

특이도(Specificity) 계산

 

 

 

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

민감도(Sensitivity)

= TPR

5/8=0.625

특이도(Specificity)

= 1-FPR

FPR: 2/7=0.2857

 

1-2/7=0.7143

 


 

 


Posted by codedragon codedragon

댓글을 달아 주세요