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Table 8 Performance rate of K-Nearest Neighbour classifier

From: A study on volatile organic compounds emitted by in-vitro lung cancer cultured cells using gas sensor array and SPME-GCMS

Time (h)

Classes

Performance rate of KNN (%)

Train and Validate

Test

ACC

SEN

SPEC

PREC

MCC

ACC

SEN

SPEC

PREC

MCC

24

A549

99.08

97.67

99.17

99.50

0.91

99.47

97.97

99.20

99.60

0.91

Calu3

99.87

99.98

99.86

97.75

0.96

92.70

99.84

99.07

99.57

0.98

MCF7

99.01

99.77

99.54

99.65

0.97

99.04

99.87

99.92

99.80

0.97

WI38VA13

99.41

99.48

99.37

99.33

0.95

98.80

99.40

98.80

92.30

0.89

DMEM

99.54

92.47

97.32

96.35

0.92

93.80

87.50

97.38

96.45

0.94

EMEM

99.93

98.85

96.37

91.02

0.88

87.10

71.40

98.40

85.20

0.92

48

A549

99.89

99.01

99.78

96.39

0.94

99.00

99.23

99.81

96.85

0.95

Calu3

99.60

98.81

99.65

94.32

0.91

99.71

99.05

99.50

94.29

0.93

MCF7

99.87

98.02

100.00

100.00

0.99

100.00

100.00

100.00

100.00

1.00

WI38VA13

99.86

97.47

100.00

95.62

0.95

99.37

99.59

99.60

95.36

0.94

DMEM

94.73

58.67

96.51

45.36

0.32

92.20

50.80

96.10

54.10

0.39

EMEM

94.53

89.02

97.86

80.98

0.79

93.70

97.20

97.00

89.00

0.72

72

A549

99.94

98.98

99.93

98.98

0.93

99.90

99.89

99.83

99.93

0.96

Calu3

99.60

96.41

98.98

98.79

0.96

99.75

99.58

99.55

95.20

0.95

MCF7

100.00

100.00

100.00

100.00

1.00

100.00

100.00

100.00

100.00

1.00

WI38VA13

100.00

100.00

100.00

100.00

1.00

99.80

99.67

100.00

100.00

0.97

DMEM

96.46

78.04

95.72

86.34

0.63

86.80

100.00

85.80

86.36

0.66

EMEM

99.60

100.00

99.58

94.12

0.91

94.20

18.50

100.00

100.00

0.40