prolonged.sed.bouts.num: Estimate The Number of Prolonged Sedentary Bouts
In activpalProcessing: Process activPAL Events Files

Description Usage Arguments Value Author(s) See Also Examples

View source: R/prolonged.sed.bouts.num.R

This function calculates the number of sitting/lying bouts that last at least 'n' minutes in duration. User specifies n.

1	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

prolonged.sed.bouts.min

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)