\(n=164\) men took part in an experiment to see if the
drug cholostyramine
lowered blood cholesterol levels. The men were supposed to take six
packets of
cholostyramine per day, but many actually took much less.
Usage
data(cholost)
Arguments
Format
A data frame with 164 observations on the following 2 variables.
z
Compliance, a numeric vector
y
Improvement, a numeric vector
Details
In the book, this is used as an example for curve fitting, with two
methods,
traditional least-squares fitting and modern loess.
In the book
is considered linear and polynomial models for the dependence of
Improvement
upon Compliance.