mvpa.min.AP {activpalProcessing} | R Documentation |
This function estimates time spent in moderate-to-vigorous intensity activity (MVPA). MVPA is activity >= 3 METs.
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
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)