cats {boot} | R Documentation |
Sex |
A factor for the sex of the cat (levels are F and M ).
|
Bwt |
Body weight in kg. |
Hwt |
Heart weight in kg. |
The cats
data frame has 144 rows and 3 columns.
The 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.
This data frames contain the following columns:
The data were obtained from
Fisher, R.A. (1947) The analysis of covariance method for the relation between a part and the whole. Biometrics, 3, 65-68.
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.