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")
Arguments
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.