

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

   AArrgguummeennttss::

     Litter: The genotype of the litter

     Mother: The genotype of the foster mother

         Wt: Litter average weight gain of the litter, in grams
             at age 28 days.  (The source states that the
             within-litter variability is negligible.)

   FFoorrmmaatt::

        The data frame has the following components:

   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'.  Rice litters were separated from their natu-
        ral mothers at birth and given to foster mothers to
        rear.

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

        Scheffe, H. (1959) The Analysis of Variance Wiley p.140

        Bailey, D. W. (1953) The Inheritance of Maternal Influ-
        ences on the Growth of the Rat.  Unpublished Ph.D. the-
        sis, University of California. Table B of the Appendix.

