This example is taken from section 6 of Gelfand and Smith (1990), and concerns
30 young rats whose weights were measured weekly for five weeks.
Usage
data(rats)
Arguments
Format
A data frame with 150 observations on the following 3 variables.
weight
a numeric vector giving the weight of the rat
day
a numeric vector giving the day of the weight evaluation
rat
an ordered factor giving a unique identifier for the subject in the study
References
Gelfand, A.E. (with S. Hills, A. Racine-Poon and A.F.M. Smith) 1990. Illustration of
Bayesian Inference in Normal Data Models Using Gibbs Sampling. Journal Amer. Stat.
Assoc., 85, 972-985.