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Table 2 Average numbers of variables found in the simulation study for the two-layer structure

From: A biplot correlation range for group-wise metabolite selection in mass spectrometry

δi

Level

Number of variables found for the two-layer structure

Layer 1

Layer 2

Noise Layer

BCS

FDR1

FDR2

STOC

BCS

FDR1

FDR2

STOC

BCS

FDR1

FDR2

STOC

0

0.01

16.9

23.2

21.0

10.0

0.2

0.0

0.0

0.0

2.9

0.2

0.0

0.0

0.03

24.8

23.9

21.8

24.1

2.4

0.0

0.0

0.3

32.0

0.7

0.0

5.6

0.05

25.0

24.0

22.1

24.7

5.3

0.0

0.0

1.8

61.7

1.1

0.0

22.9

0.07

25.1

24.1

22.3

24.8

5.8

0.1

0.0

2.3

77.8

1.8

0.0

35.2

0.10

25.2

24.2

22.4

25.0

7.1

0.2

0.0

2.8

87.2

2.4

0.1

44.0

0.15

25.1

24.3

22.6

25.1

6.9

0.1

0.0

3.0

86.2

3.8

0.1

44.3

0.20

25.3

24.6

22.8

25.2

7.0

0.3

0.0

2.9

85.8

6.2

0.1

44.2

0.03

0.01

17.6

23.4

21.3

10.0

0.7

0.0

0.0

0.0

1.6

0.0

0.0

0.0

0.03

24.9

23.9

21.9

24.6

4.1

0.0

0.0

1.8

28.0

0.0

0.0

3.0

0.05

25.1

24.1

22.2

24.9

6.2

0.0

0.0

2.9

49.6

0.0

0.0

12.0

0.07

25.3

24.3

22.4

25.1

6.7

0.1

0.0

2.8

59.0

0.0

0.0

16.0

0.10

25.3

24.2

22.5

25.0

7.1

0.1

0.0

3.2

62.2

0.0

0.0

17.7

0.15

25.4

24.5

22.8

25.2

7.1

0.1

0.0

3.0

61.6

0.0

0.0

18.0

0.20

25.4

24.5

22.9

25.1

6.7

0.2

0.0

2.7

62.5

0.0

0.0

18.6

0.05

0.01

17.5

23.1

21.1

10.0

1.1

0.0

0.0

0.0

1.2

0.0

0.0

0.0

0.03

25.1

23.9

21.9

24.8

5.3

0.1

0.0

2.2

22.2

0.0

0.0

0.0

0.05

25.1

24.1

22.3

24.9

6.6

0.1

0.0

3.0

36.9

0.0

0.0

0.0

0.07

25.2

24.1

22.2

25.0

7.1

0.1

0.0

3.1

42.9

0.0

0.0

0.0

0.10

25.2

24.3

22.5

25.1

7.2

0.0

0.0

2.9

44.8

0.0

0.0

0.0

0.15

25.2

24.3

22.6

25.1

7.2

0.1

0.0

2.9

46.3

0.0

0.0

0.0

0.20

25.2

24.4

22.9

25.1

6.8

0.2

0.0

2.9

44.6

0.0

0.0

0.0

0.1

0.01

17.8

23.3

21.1

10.0

1.5

0.0

0.0

0.0

0.0

0.0

0.0

0.0

0.03

25.2

23.8

22.1

24.8

6.5

0.0

0.0

2.7

0.0

0.0

0.0

0.0

0.05

25.2

23.9

22.0

25.1

7.0

0.0

0.0

3.1

0.0

0.0

0.0

0.0

0.07

25.2

24.1

22.2

25.0

7.0

0.1

0.0

2.8

0.0

0.0

0.0

0.0

0.10

25.2

24.2

22.7

25.1

6.6

0.1

0.0

2.8

0.0

0.0

0.0

0.0

0.15

21.0

13.0

8.60

20.1

6.75

.087

.005

3.22

14.1

.043

.000

5.41

0.20

21.0

13.5

8.72

20.0

6.52

.115

.003

2.98

14.4

.068

.000

5.27