MethComp (version 1.30.0)

VitCap: Merits of two instruments designed to measure certain aspects of human lung function (Vital Capacity)

Description

Measurement on certain aspects of human lung capacity for 72 patients on 4 instrument-operative combination, i.e. two different instruments and two different users, a skilled one and a new one.

Format

A data frame with 288 observations on the following 5 variables.

meth

a factor with levels StNew, StSkil, ExpNew and ExpSkil, representing the instrument by user combinations. See below.

item

a numeric vector, the person ID, i.e. the 72 patients

y

a numeric vector, the measurements, i.e. vital capacity.

user

a factor with levels New Skil, for the new user and the skilled user

instrument

a factor with levels Exp and St, for the experimental instrument and the standard one.

Examples

# NOT RUN {
data(VitCap)
Vcap <- Meth( VitCap )
str( Vcap )
plot( Vcap )

# }