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Table 7 Results of PCA control adjustment prediction (before and after data cleaning)

From: Decision tree-based learning to predict patient controlled analgesia consumption and readjustment

(a) PCA control readjustment prediction (before data cleaning)

PCA Control Prediction (%)

C4.5 bagging

C4.5 bagging over-sampling

C4.5 bagging under-sampling

C4.5 AdaBoost

C4.5 AdaBoost over-sampling

C4.5 AdaBoost under-sampling

C4.5

Random Forest

Rotation Forest

DataBoost-IM

TPR

4.3

16.1

41.5

19.6

32.8

47.3

25.5

2.6

12.0

19.7

FPR

1.3

9.6

25.6

11.8

23.5

37.1

17.5

0.4

5.0

14.6

Pos Predict Val

39.3

28.2

27.5

27.9

24.6

23.1

25.4

38.2

36.3

23.7

F-score

7.5

20.2

32.9

22.5

27.9

30.9

25.2

4.7

17.6

21.4

(b) PCA control readjustment prediction (after data cleaning)

TPR

40.7

51.1

54.4

42.5

55.4

54.0

43.5

31.8

41.8

49.6

FPR

22.8

34.0

36.0

30.5

42.1

44.1

33.7

17.3

27.1

36.2

Pos Predict Val

29.5

26.1

26.2

24.5

23.6

22.3

23.2

30.2

26.6

24.3

F-score

33.9

33.8

35.3

30.9

33.0

31.5

30.2

30.5

32.3

32.1