cats  Anatomical Data from Domestic Cats 
 Description
The heart and body weights of samples of male and female cats used for digitalis experiments. The cats were all adult, over 2 kg body weight.
Usage
cats
Format
This data frame contains the following columns:
- Sex
-  sex: Factor with levels "F"and"M".
- Bwt
-  body weight in kg. 
- Hwt
-  heart weight in g. 
Source
R. A. Fisher (1947) The analysis of covariance method for the relation between a part and the whole, Biometrics 3, 65–68.
References
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.
    Copyright (©) 1999–2012 R Foundation for Statistical Computing.
Licensed under the GNU General Public License.