In each of four lactation periods each of four cows are fed a different diet.
There is a washout period so previous diet does not affect future results.
A 4 × 4 Latin square is used to assess how diet affects milk production.
Usage
data(milk)
Arguments
Format
A data frame with 16 rows and four columns.
production
a numerical measure of the milk production for the given diet, cow, and period
diet
a factor showing which diet the cow was administered