guideline.bouts.num: Estimate the Number of Bouts of Activity that Qualify Towards...
In activpalProcessing: Process activPAL Events Files

Description Usage Arguments Value Author(s) See Also Examples

This function calculates the number of guideline bouts (bouts of MVPA (>=3 METs) that last at least 10 min. Allows for 20 percent of time below 3 METs i.e. if bout is 10 min long, 2 min can be <3 METs

1	guideline.bouts.num(mets)

mets

mets is a second-by-second numeric vector

numeric value indicating the number of guideline bouts

John Staudenmayer

guideline.bouts.min

data(second.by.second)
mets <- second.by.second.data$mets	

guideline.bouts.num(mets)

# summarize by date
tapply(second.by.second.data$mets, second.by.second.data$date, guideline.bouts.num)