R: Pregnant Female Mice Experiment

mice {aod} | R Documentation

## Pregnant Female Mice Experiment

### Description

Unpublished laboratory data on the proportion of affected foetuses in two groups (control and treatment) of 10 pregnant female mice (Kupper and Haseman, 1978, p. 75).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.

[Package aod version 1.3 Index]