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.

cats

Format

This data frame contains the following columns:

Sex

sex: Factor with evels "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.