pub fn cats() -> Result<DataFrame, PolarsError>Expand description
§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.