Unpublished laboratory data on the proportion of affected foetuses in two groups (control and treatment) of 10
pregnant female mice (Kupper and Haseman, 1978, p. 75).
Usage
data(mice)
Format
A data frame with 20 observations on the following 3 variables.
group
a factor with levels CTRL and TREAT
n
a numeric vector: the total number of foetuses.
y
a numeric vector: the number of affected foetuses.
References
Kupper, L.L., Haseman, J.K., 1978. The use of a correlated binomial model for the analysis of a certain
toxicological experiments. Biometrics 34, 69-76.