wolfinger recorded the weekly body weights of three treatment groups of rats.
To load the file into ASReml-R and view the contents use the commands:
library(asreml) data(package="asreml") data("wolfinger") View(wolfinger)
|A data frame with 6 columns and 27 rows:|
|Treatment||A factor with 3 levels|
|wt0||Body weight at week 1|
|wt1||Body weight at week 2|
|wt2||Body weight at week 3|
|wt3||Body weight at week 4|
|wt4||Body weight at week 5|
A total of 27 rats was divided randomly into 3 groups of 10, 7 and 10, respectively. Group 1 were kept as a control, group 2 had thyroxin and group 3 had thiouracil added to their drinking water. Five weekly measurements were taken on each individual.
Box GEP (1950). “Analysis of Growth and Wear Curves.” Biometrics, 6, pp. 362-389.