Emotion Analysis of College Students Using a Fuzzy Support Vector Machine

Table 3

Abbreviations and descriptions of signal statistical characteristics.

Feature abbreviations	Description
Mean	The average value of the β wave
Median	Median of the β wave
Std	Standard deviation of the β wave
Min	Minimum value of the β wave
Max	Maximum value of β wave
Min Ratio	The ratio of the minimum number of β waves to the signal length
Max Ratio	The ratio of the maximum number of β waves to the signal length
Energy Mean	Average energy of β wave