prolonged.sed.bouts.num {activpalProcessing} | R Documentation |
This function calculates the number of sitting/lying bouts that last at least 'n' minutes in duration. User specifies n.
prolonged.sed.bouts.num(posture, epoch = 1, n)
posture |
posture is vector indicating sitting (0), standing (1) and stepping (2). |
epoch |
numeric value indicating what epoch (in seconds) the data are in (e.g. 60 = 1 minute epochs). The default value is 1 second |
n |
n is a numeric value indicating the duration (in minutes) of prolonged sedentary bouts of interest |
A numeric value indicating the number of sedentary bouts longer than 'n' minutes in duration
John Staudenmayer
data(second.by.second.data) posture <- second.by.second.data$ap.posture # estimate number of sedentary bouts lasting at least 60 minutes prolonged.sed.bouts.num(posture,epoch=1,n=60)