Modified Support Vector Machine for Detecting Stress Level Using EEG Signals

Table 1

Feature selected for the subject cba.

Feature selected using SVM + WOA (current algorithm)	Feature selected using SVM + MWOA (proposed algorithm)
Median	Skewness
Frequency value	Mean absolute deviation
Standard deviation	Wilson amplitude
SNR	Spectral centroid
Standard deviation	Zero crossing rate
Waveform length	Zero crossing rate
Spectral flux	Mean
Mean absolute deviation	Mean absolute deviation
Variance	Spectral flux
Skewness	Cross convolution