activpalProcessing (version 1.0.2)

mvpa.min.AP: Estimate Time in Moderate-to-Vigorous Intensity Activity

Description

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

Usage

mvpa.min.AP(mets,epoch)

Arguments

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

Value

a numeric value indicating hours spent in mvpa

See Also

sed.min.AP lit.min.AP

Examples

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)