HSAUR: weightgain – R documentation

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weightgain

Gain in Weight of Rats

Description

The data arise from an experiment to study the gain in weight of rats fed on four different diets, distinguished by amount of protein (low and high) and by source of protein (beef and cereal).

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: weigt gain in grams.

Details

Ten rats are randomized to each of the four treatments. The question of interest is how diet affects weight gain.

Source

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

Examples

data("weightgain", package = "HSAUR")
  interaction.plot(weightgain$type, weightgain$source, 
                   weightgain$weightgain)

HSAUR

A Handbook of Statistical Analyses Using R (1st Edition)

v1.3-10

GPL

Authors

Brian S. Everitt and Torsten Hothorn

Initial release

2022-04-25