PEFR {MethComp}R Documentation

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. (PEFR=Peak Expiratory Flow Rate).

Usage

data(PEFR)

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. This is numbers between 165 and 656 l/min
repl
Numeric vector, replicate number. Replicates are exchangeable within item.

Source

J. M. Bland and D. G. Altman (1986) Statistical Methods for Assessing Agreement Between Two Methods of Clinical Measurement, Lancet. 1986 Feb 8;1(8476):307-10.

Examples

data(PEFR)
PEFR <- Meth(PEFR)
summary(PEFR)
plot(PEFR)
plot(perm.repl(PEFR))

[Package MethComp version 0.5.0 Index]