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. 2020 Jun 23;15(6):e0231517. doi: 10.1371/journal.pone.0231517

Table 2. Summary of 25 statistical and signal-specific features in time domain.

Electro-cardiogram Respiration Electrodermal Activity
Nmean Nmean Nmean
std std std
NFD NFD NFD
NSD NSD NSD
HRV BRV nOR
avNN avNN mmOR
sdNN sdNN mdOR
rMSSD    
NN50    
pNN50    
pNN20    

Statistical features are shaded light gray. Feature abbreviations are explained in Eqs 115.