

   TThhee RRaatt GGeennoottyyppee DDaattaa

   DDeessccrriippttiioonn::

        Data from a foster feeding experiment with rat mothers
        and litters of four different genotypes: A, B, I and J.
        The measurement is the litter weight gain after a trial
        feeding period.

   VVaalluuee::

        The data frame has the following components:

     Litter: The genotype of the litter

     Mother: The genotype of the mother

         Wt: Litter weight

   CCAATTEEGGOORRYY::

        Unbalanced double classification.

   SSoouurrccee::

        Quoted in Scheffe, H.: "The Analysis of Variance"

