weightgain {evidence}

weight gain in rats

Description

Rats were fed diets with different quantities of protein from either animal or plant sources. The weight gained at the end of the experiment was the response variable.

Usage

data("weightgain")

Format

A data frame with 40 observations on the following 3 variables

source

source of protein given, a factor with levels Beef and Cereal

type

amount of protein given, a factor with levels High and Low

weightgain

weight gain in grams

Source

Hand, D.J., Daly, F., Lunn, A.D., McConway, K.J. and Ostrowski, E. 1994. A Handbook of Small Datasets, Chapman and Hall, London.

Examples

  data("weightgain")
  with(weightgain, table(source, type))