mvpa.min.AP: Estimate Time in Moderate-to-Vigorous Intensity Activity
In activpalProcessing: Process activPAL Events Files

Description Usage Arguments Value Author(s) See Also Examples

This function estimates time spent in moderate-to-vigorous intensity activity (MVPA). MVPA is activity >= 3 METs.

1	mvpa.min.AP(mets,epoch)

`mets`	mets is a vector of met values
`epoch`	numeric value indicating what epoch (in seconds) the data are in (e.g. 60 = 1 minute epochs). The default value is 1 second

a numeric value indicating hours spent in mvpa

Kate Lyden

sed.min.AP lit.min.AP

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

mvpa.min.AP(mets,epoch=1)

# summarize by date
tapply(second.by.second.data$mets, second.by.second.data$date,mvpa.min.AP,epoch=1)