Hypothetical drug trial to compare the effect of four antibiotics against Shipping fever in calves (Shoukri and Pause, 1999, Table 3.11).
A data frame with 24 observations on the following 3 variables.
A factor with levels
A numeric vector: the number of treated animals within a two-week period.
A numeric vector: the number of deaths at the end of the two weeks.
Shoukri, M.M., Pause, C.A., 1999, 2nd ed. Statistical methods for health sciences. CRC Press, London.