Table 5.

Multi-modal features.

ECG		GSR	EMG	RESP	SKT
ECG value	HR value	SC value	EMG value	RESP value	SKT value
SDSD	NN	mean	standard deviation	standard deviation
SDNN	RMSSD	standard deviation	RMS	power
pNN50	pNN20		Integral EMG	mean
VLF	ULF		median frequency
LF	HF		mean power frequency
LF/HF			mean

The full details of abbreviations can be found in Abbreviations.