PEFR: Peak Expiratory Flow Rate (PEFR) measurements with Wright peak flow and mini
Wright peak flow meter.
Description
Measurement of PEFR with Wright peak flow and mini Wright peak flow meter on
17 individuals.
Arguments
Format
A data frame with 68 observations on the following 3 variables.
meth
a factor with levels Wright and
Mini, representing measurements by a Wright peak flow meter and a
mini Wright meter respectively, in random order.
item
Numeric vector, the person ID.
y
Numeric
vector, the measurements, i.e. PEFR for the two measurements with a Wright
peak flow meter and a mini Wright meter respectively. The measurement unit
is l/min.
repl
Numeric vector, replicate number. Replicates
are exchangeable within item.