Skip to main content

Table 4 Classification error rates (%) at different concentrations using the Quadratic DA method.

From: Classification of root canal microorganisms using electronic-nose and discriminant analysis

Dataset (pre-processing & dimension reduction)

Concentration

Average error across different concentrations

 

12 × 10 8

cfu/ml

12 × 10 5

cfu/ml

12 × 10 3

cfu/ml

12 × 10 1

cfu/ml

 

d1 & std

0.00

0.00

2.86

2.86

1.43

d1 & pca

0.00

2.86

0.00

5.71

2.14

fd1 & std

2.86

5.71

2.86

0.00

2.86

fd1 & pca

0.00

0.00

8.57

0.00

2.14

nfd1 & std

0.00

0.00

5.71

5.71

2.86

nfd1 & pca

0.00

0.00

2.86

2.86

1.43

Average for baseline value-1 ( R i o = R i min )

2.14

d2 & std

2.86

11.43

8.57

11.43

8.57

d2 & pca

0.00

11.43

8.57

22.86

10.72

fd2 & std

0.00

0.00

17.14

14.29

7.86

fd2 & pca

2.86

2.86

2.86

2.86

2.86

nfd2 & std

5.71

2.86

2.86

2.86

3.57

nfd2 & pca

0.00

0.00

5.71

2.86

2.14

Average for baseline value-2 ( R i o = R i first )

5.95

d3 & std

0.00

2.86

2.86

5.71

2.86

d3 & pca

0.00

0.00

2.86

11.43

3.57

fd3& std

0.00

2.86

5.71

5.71

3.57

fd3 & pca

0.00

0.00

0.00

8.57

2.14

nfd3 & std

2.86

0.00

8.57

2.86

3.57

nfd3 & pca

0.00

5.71

5.71

0.00

2.86

Average for baseline value-3 ( R i o = R i bp )

3.10

Average error

across same

concentration

0.95

2.70

5.24

6.03