Influential Factors of an Asynchronous BCI for Movement Intention Detection
Table 2
Results of the three-way repeated measures ANOVA test of F1 scores.
Source
Type III sum of squares
Corrected degree of freedom
Mean square
F value
value
Partial eta squared
SF
0.478
1.273
0.375
7.163
0.018
0.472
Error (SF)
0.534
10.185
0.052
Freq
0.958
2.167
0.442
21.384
0.000
0.728
Error (freq)
0.359
17.339
0.021
Classifier
2.135
1.24
1.721
13.102
0.003
0.621
Error (classifier)
1.303
9.921
0.131
SF ∗ Freq
0.999
3.659
0.273
10.811
0.000
0.575
Error (SF ∗ Freq)
0.739
29.275
0.025
SF ∗ Classifier
0.172
4.088
0.042
1.661
0.182
0.172
Error (SF ∗ Classifier)
0.827
32.705
0.025
Freq ∗ Classifier
0.135
4.859
0.028
1.676
0.165
0.173
Error (Freq ∗ Classifier)
0.644
38.870
0.017
SF ∗ Freq ∗ Classifier
0.397
6.268
0.063
1.299
0.274
0.14
Error (SF∗Freq ∗ Classifier)
2.445
50.143
0.049
value less than 0.01 is shown in bold, showing significant effects of the parameter to F1 scores. Note that there is a significant interaction effect between spatial filter and frequency; further analysis is needed for these two parameters.
