Milk {nlme} | R Documentation |
The Milk
data frame has 1337 rows and 4 columns.
This data frame contains the following columns:
barley
,
barley+lupins
, and
lupins
identifying the diet for each cow.
Diggle, Liang, and Zeger (1994) describe data on the protein content of cows' milk in the weeks following calving. The cattle are grouped according to whether they are fed a diet with barley alone, with barley and lupins, or with lupins alone.
Diggle, Peter J., Liang, Kung-Yee and Zeger, Scott L. (1994), Analysis of longitudinal data, Oxford University Press, Oxford.