Detection of Human Stress Using Optimized Feature Selection and Classification in ECG Signals

Table 1

Coefficient values of the features.

Feature		p-Value	rpb
RMSSD	0.004	<0.01	−0.49
SDNN	0.004	<0.01	−0.48
MeanNN	−0.001	<0.01	−0.70
CVSD	−2.37	<0.01	−0.36
IQRNN	−0.001	<0.01	−0.39
MCVNN	−1.27	<0.01	−0.22
MedianNN	−0.001	0.04	−0.70
PNN20	0.003	<0.01	−0.29
PNN50	0.003	<0.01	−0.45
TINN	−0.001	<0.01	−0.44
HTI	−0.031	0.109	0.28
PRmean	4.84	<0.01	−0.70
PRsd	−3.52	0.03	−0.53
STmean	5.40	<0.01	−0.66
STsd	−1.78	<0.01	−0.52
PTmean	−6.78	<0.01	−0.73
PSsd	3.51	0.01	−0.52