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Table 3 Classification error rates (%) at different concentrations using Linear (L), Mahalanobis (M), and Quadratic (Q) type DA methods.

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

  Concentration
Dataset (pre-processing & dimension reduction) 12 × 10 8 cfu/ml 12 × 10 5 cfu/ml 12 × 10 3 cfu/ml 12 × 10 1 cfu/ml
  L M Q L M Q L M Q L M Q
d1 & std 14.29 2.86 0.00 25.71 5.71 0.00 31.43 5.71 2.86 20.00 8.57 2.86
d1 & pca 5.71 0.00 0.00 25.71 5.71 2.86 22.86 5.71 0.00 17.14 11.43 5.71
fd1 & std 17.14 8.57 2.86 25.71 2.86 5.71 25.71 5.71 2.86 5.71 2.86 0.00
fd1 & pca 5.71 2.86 0.00 17.14 0.00 0.00 34.29 8.57 8.57 20.00 5.71 0.00
nfd1 & std 11.43 17.14 0.00 0.00 0.00 0.00 22.86 8.57 5.71 8.57 2.86 5.71
nfd1 & pca 11.43 17.14 0.00 0.00 0.00 0.00 22.86 2.86 2.86 11.43 5.71 2.86
d2 & std 34.29 8.57 2.86 17.14 8.57 11.43 22.86 5.71 8.57 25.71 17.14 11.43
d2 & pca 31.43 0.00 0.00 17.14 8.57 11.43 31.43 14.29 8.57 34.29 28.57 22.86
fd2 & std 17.14 2.86 0.00 17.14 0.00 0.00 37.14 14.29 17.14 20.00 14.29 14.29
fd2 & pca 20.00 2.86 2.86 14.29 5.71 2.86 34.29 2.86 2.86 25.71 8.57 2.86
nfd2 & std 14.29 5.71 5.71 8.57 2.86 2.86 22.86 2.86 2.86 5.71 2.86 2.86
nfd2 & pca 14.29 8.57 0.00 8.57 2.86 0.00 14.29 8.57 5.71 14.29 8.57 2.86
d3 & std 20.00 5.71 0.00 28.57 0.00 2.86 28.57 8.57 2.86 25.71 14.29 5.71
d3 & pca 8.57 0.00 0.00 31.43 5.71 0.00 25.71 8.57 2.86 17.14 11.43 11.43
fd3& std 14.29 2.86 0.00 20.00 0.00 2.86 28.57 11.43 5.71 14.29 5.71 5.71
fd3 & pca 5.71 5.71 0.00 17.14 2.86 0.00 22.86 0.00 0.00 11.43 5.71 8.57
nfd3 & std 11.43 8.57 2.86 2.86 2.86 0.00 20.00 8.57 8.57 5.71 2.86 2.86
nfd3 & pca 11.43 8.57 0.00 5.71 5.71 5.71 14.29 8.57 5.71 8.57 2.86 0.00
  1. These datasets were obtained using different pre-processing and dimension reduction methods.
  2. (For the abbreviations used in the table, see Table 2.)