Brain and Body Weights in Mammals

SUMMARY:
       The mammals data frame has 62 rows and 2 columns.

       The data give average brain weight and average body weight
       for 62 different species of land mammals.  Each row in the
       data frame is named with the name  of  the  species  whose
       measurements are in the row.

DATA DESCRIPTION:
       This data frame contains the following columns:

body:      The  average  body  weight   for   the   species   (in
       kilogrammes).
brain:    The average brain weight for the species (in grammes).

SOURCE:
       The data were obtained from

       Weisberg, S.  (1985)  Applied  Linear  Regression  (Second
       edition).  John Wiley.

OTHER REFERENCES:
       Davison, A.C. and Hinkley, D.V. (1997)  Bootstrap  Methods
       and Their Application. Cambridge University Press.

       Venables, W.N. and  Ripley,  B.D.  (1994)  Modern  Applied
       Statistics with S-Plus. Springer-Verlag.