catsM | R Documentation |
Weight Data for Domestic Cats
Description
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. The full data are in dataset cats
in package MASS
.
Usage
catsM
Format
This data frame contains the following columns:
Sex
-
A factor for the sex of the cat (levels are
F
andM
: all cases areM
in this subset). Bwt
-
Body weight in kg.
Hwt
-
Heart weight in g.
Source
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.
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.
See Also
cats