Skip to main content

Table 3 Classification performance of the k-spectrum method using nearest neighbor

From: Efficient alignment-free DNA barcode analytics

dataset k = 3 k = 5 k = 8 k = 10 k = 15
1-NN (nearest neighbor)
ACG 4.24 ± 0.90 3.19 ± 0.93 2.58 ± 0.94 2.49 ± 0.87 2.35 ± 0.83
Hesperiidae 5.32 ± 1.33 4.21 ± 1.18 3.66 ± 1.07 3.57 ± 1.08 3.39 ± 0.93
Astraptes 1.91 ± 1.87 1.90 ± 2.08 1.48 ± 1.75 1.07 ± 1.81 1.07 ± 1.81
Bats of Guyana 1.87 ± 1.36 1.63 ± 1.22 1.63 ± 1.22 1.63 ± 1.22 1.63 ± 1.22
Birds 7.77 ± 1.26 6.68 ± 1.22 6.42 ± 1.34 6.22 ± 1.50 6.13 ± 1.65
Fish Australia 5.47 ± 3.26 5.35 ± 3.36 5.35 ± 3.36 5.50 ± 3.27 5.50 ± 3.27
Fish larvae 8.57 5.71 2.86 2.86 2.86
3-NN
ACG 10.20 ± 1.31 8.98 ± 1.23 8.54 ± 1.11 8.67 ± 1.33 8.63 ± 1.21
Hesperiidae 15.55 ± 1.25 14.30 ± 1.46 14.22 ± 1.50 14.40 ± 1.85 14.30 ± 2.00
Astraptes 2.78 ± 2.49 2.36 ± 2.16 2.36 ± 2.16 2.15 ± 2.29 1.70 ± 1.96
Bats of Guyana 3.77 ± 1.68 4.46 ± 2.06 4.35 ± 2.01 4.46 ± 2.06 4.46 ± 2.06
Birds 20.23 ± 2.64 19.58 ± 2.48 18.88 ± 2.29 18.99 ± 2.22 18.37 ± 2.07
Fish Australia 12.44 ± 5.67 12.32 ± 5.68 12.31 ± 5.38 12.42 ± 5.46 11.93 ± 5.06
Fish larvae 14.29 14.29 11.43 11.43 11.43
5-NN
ACG 13.41 ± 2.00 12.42 ± 1.40 11.49 ± 1.28 11.49 ± 1.25 11.28 ± 1.20
Hesperiidae 19.70 ± 1.71 19.64 ± 2.62 18.63 ± 2.21 18.54 ± 2.17 18.22 ± 2.17
Astraptes 3.43 ± 3.09 3.01 ± 2.76 2.14 ± 1.74 1.70 ± 1.96 1.06 ± 1.12
Bats of Guyana 6.09 ± 3.01 5.85 ± 3.23 5.73 ± 2.77 5.87 ± 2.94 5.61 ± 2.79
Birds 27.32 ± 2.50 26.26 ± 2.17 26.49 ± 2.11 26.42 ± 2.44 26.10 ± 2.36
Fish Australia 19.40 ± 5.91 18.85 ± 6.15 19.28 ± 5.28 18.36 ± 5.04 18.81 ± 4.64
Fish larvae 22.86 22.86 22.86 22.86 22.86