foster {HSAUR} | R Documentation

## Foster Feeding Experiment

### Description

The data are from a foster feeding experiment with rat mothers and litters of four different genotypes. The measurement is the litter weight after a trial feeding period.

### Usage

    data("foster")

### Format

A data frame with 61 observations on the following 3 variables.

`litgen`
  genotype of the litter, a factor with levels `A`, `B`, `I`, and `J`.
`motgen`
  genotype of the mother, a factor with levels `A`, `B`, `I`, and `J`.
`weight`
  the weight of the litter after a feeding period.

### Details

Here the interest lies in uncovering the effect of genotype of mother and litter on litter weight.

### Source

D. J. Hand, F. Daly, A. D. Lunn, K. J. McConway and E. Ostrowski (1994). A Handbook of Small Datasets, Chapman and Hall/CRC, London.

### Examples

      data("foster", package = "HSAUR")
      plot.design(foster)

[Package HSAUR version 1.2-3 Index]