Rat: Effect of a dietary supplement on weight gain in rats

Description Usage Format Source Examples

Description

The Rat dataset contains data from an experiment to study the effect of a dietary supplement on the gain in weight of rats. There were five different treatments (representing different amounts of the supplement) and 20 rats were allocated at random, four to each treatment.

Usage

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Format

A data frame with 20 observations on the following two variables:

diet

a factor specifying which of 5 different diets was fed to each rat.

weight

a numerical vector recording the gain in weight of each rat.

Source

VSN International (2014). Genstat for Windows 17th Edition. VSN International, Hemel Hempstead, UK. Web page: Genstat.co.uk

Examples

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dat(Rat)
moda <- aov(weight ~ diet,data=Rat)
summary(moda)

VSNC/vsnc documentation built on May 28, 2019, 3:20 p.m.

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