

   AAnniimmaall SSuurrvviivvaall TTiimmeess

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

       time: The survival time of the animal in units of 10
             hours.

     poison: A factor with levels `1', `2' and `3' giving the
             type of poison used.

      treat: A factor with levels `A', `B', `C' and `D' giving
             the treatment.

   SSUUMMMMAARRYY::

        The `poisons' data frame has 48 rows and 3 columns.

        The data form a 3x4 factorial experiment, the factors
        being three poisons and four treatments.  Each combina-
        tion of the two factors was used for four animals, the
        allocation to animals having been completely random-
        ized.

   DDAATTAA DDEESSCCRRIIPPTTIIOONN::

        This data frame contains the following columns:

   SSOOUURRCCEE::

        The data were obtained from

        Box, G.E.P. and Cox, D.R. (1964) An analysis of trans-
        formations (with Discussion).
         Journal of the Royal Statistical Society, B, 26,
        211-252.

   OOTTHHEERR RREEFFEERREENNCCEESS::

        Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Meth-
        ods and Their Application. Cambridge University Press.

