catsM
data frame has 97 rows and 3 columns.144 adult (over 2kg in weight) cats used for experiments with the drug
digitalis had their heart and body weight recorded. 47 of the cats were
female and 97 were male. The catsM
data frame consists of the data for
the male cats. The full data are in dataset cats
in package MASS
.
data(cats)
Fisher, R.A. (1947) The analysis of covariance method for the relation between a part and the whole. Biometrics, 3, 65--68.
Venables, W.N. and Ripley, B.D. (1994) Modern Applied Statistics with S-Plus. Springer-Verlag.
cats