A Novel Stress State Assessment Method for College Students Based on EEG

Table 5

Classification accuracy based on IELM under four features.

Feature	α	β	γ	δ	θ
Hurst index	0.7778	0.7624	0.7997	0.6175	0.7037
Fluctuation index	0.8134	0.8878	0.7959	0.7602	0.8178
Sample entropy	0.7190	0.6530	0.5368	0.6091	0.5392
Permutation entropy	0.7327	0.6490	0.5997	0.7204	0.5914