Table 2.
The detected accuracies of multiclass SVM testing and the conventional epoch-average method in the classification study
|
Subject index |
Multiclass SVM-based method |
|
|
The conventional epoch-average method (detection interval = 0.7 sec) |
|||
|---|---|---|---|---|---|---|---|
| |
Accuracies for each class (Numcorrect/Numtotal) |
Averaged accuracies (Numcorrect/Numtotal) |
Averaged effective epoch lengths (s) |
|
|||
| Class I | Class II | Class III | Class IV | ||||
| 1 |
97.62% |
98.18% |
94.23% |
94.55% |
96.08% |
0.59 |
82.62% |
| (41/42) |
(54/55) |
(49/52) |
(52/55) |
(196/204) |
|||
| 2 |
97.96% |
96.00% |
91.30% |
93.62% |
94.79% |
0.63 |
78.06% |
| (48/49) |
(48/50) |
(42/46) |
(44/47) |
(182/192) |
|||
| 3 |
97.56% |
88.68% |
90.38% |
91.49% |
91.71% |
0.62 |
65.82% |
| (40/41) |
(47/53) |
(47/52) |
(43/47) |
(177/193) |
|||
| 4 |
95.56% |
100% |
94.34% |
97.37% |
96.79% |
0.64 |
67.86% |
| (43/45) |
(51/51) |
(50/53) |
(37/38) |
(181/187) |
|||
| 5 |
94.59% |
92.59% |
91.38% |
93.62% |
92.86% |
0.61 |
77.38% |
| (35/37) |
(50/54) |
(53/58) |
(44/47) |
(182/196) |
|||
| 6 |
94.87% |
97.50% |
95.45% |
93.02% |
95.18% |
0.72 |
64.29% |
| (37/39) |
(39/40) |
(42/44) |
(40/43) |
(158/166) |
|||
| 7 |
91.43% |
93.48% |
97.73% |
93.35% |
94.64% |
0.71 |
75.00% |
| (32/35) |
(43/46) |
(43/44) |
(41/43) |
(159/168) |
|||
| 8 |
94.59% |
87.18% |
82.50% |
85.00 |
87.18% |
0.77 |
80.40% |
| (35/37) |
(34/39) |
(33/40) |
(34/40) |
(136/156) |
|||
| 9 |
91.49% |
96.15% |
93.02% |
97.83% |
94.68% |
0.64 |
70.92% |
| (43/47) |
(50/52) |
(40/43) |
(45/46) |
(178/188) |
|||
| 10 |
93.62% |
88.64% |
84.44% |
92.86% |
89.89% |
0.67 |
68.39% |
| (44/47) |
(39/44) |
(38/45) |
(39/42) |
(160/178) |
|||
| 11 |
89.13% |
90.48% |
95.00% |
87.50% |
90.34% |
0.68 |
66.33% |
| (41/46) |
(38/42) |
(38/40) |
(42/48) |
(159/176) |
|||
| 12 |
92.86% |
91.67% |
91.38% |
90.20% |
91.46% |
0.60 |
71.94% |
| (39/42) |
(44/48) |
(53/58) |
(46/51) |
(182/199) |
|||
| 13 |
92.31% |
93.18% |
85.71% |
94.00% |
91.28% |
0.62 |
73.98% |
| (48/52) |
(41/44) |
(42/49) |
(47/50) |
(178/195) |
|||
| 14 |
100% |
91.49% |
95.24% |
87.50% |
93.33% |
0.67 |
65.31% |
| (43/43) |
(43/47) |
(40/42) |
(42/48) |
(168/180) |
|||
| 15 |
95.56% |
89.80% |
98.11% |
100% |
95.92% |
0.61 |
63.78% |
| (43/45) |
(44/49) |
(52/53) |
(49/49) |
(188/196) |
|||
| 16 |
95.35% |
98.00% |
100% |
97.50% |
97.70% |
0.69 |
68.88% |
| (41/43) |
(49/50) |
(41/41) |
(39/40) |
(170/174) |
|||
| 17 |
100% |
91.30% |
90.70% |
95.12% |
94.12% |
0.71 |
74.49% |
| (40/40) |
(42/46) |
(39/43) |
(39/41) |
(160/170) |
|||
| 18 |
93.62% |
100% |
91.11% |
87.76% |
92.90% |
0.66 |
72.96% |
| (44/47) |
(42/42) |
(41/45) |
(43/49) |
(170/183) |
|||
| 19 |
93.33% |
92.45% |
93.33% |
97.67% |
94.09% |
0.65 |
60.71% |
| (42/45) |
(49/53) |
(42/45) |
(42/43) |
(175/186) |
|||
| 20 |
98.08% |
91.11% |
91.84% |
97.78% |
94.76% |
0.63 |
64.80% |
| (51/52) |
(41/42) |
(45/49) |
(44/45) |
(181/191) |
|||
| Average (mean ± SD) | 93.49 ± 2.58% | 0.66 ± 0.05 | 70.70 ± 6.06% | ||||