The health of females burros in the Mojave Desert.
data(Burros)
A data frame with 9 rows and 3 columns:
The reproductive status of the female burro;
one of 1
(barren), 2
(pregnant (but not lactating)),
or 3
(lactating)
The health of the burro;
one of 1
(excellent), 2
(fair) or 3
(poor).
The number of female burros in each cell
The data provide the number of female burros of given health and reproductive status.