 
file: DSignals_S4_S.txt 
 R / EDF signal       : 4  
 Name / label         : ECG  
 Start time           : 2009-12-10 12:44:02   
 Continuous recording : FALSE  
 Recorded period      : 11 sec 
 Total period         : 20 sec 
 Period read          : whole recording  
 Sample rate          : 200 /sec 
 Transducer           :   
 Range                : -1000 : 1000 uV  
 Prefilter            :   
 Bits per sample      : 16  
 Signal length        : 4000 incl. NAs 
 Number of samples    : 2200  
Signal summary
  Min.    1st Qu.    Median    Mean    3rd Qu.   Max.   NA's 
 -17.319 -0.0534066 0.015259 0.0205997 0.015259 61.4786 1800 
