Experiment on effects of diets on weight gain of rats
A data frame with 60 observations on the following 4 variables.
Weight gain (in grams per week)
Level of protein (Hi or Lo)
Source of protein (Beef, Cereal, or Pork)
Source
C. P. Wilsie, Iowa State College Agricultural Station (1944) via Snedecor and Cochran
Use the following R code to directly access this dataset in R.