Body weights measured in a toxicological study

Description

Body weights of a 90-day chronic toxicological study on rats with a control and three dose groups.

Usage

data(BW)

Format

A data frame with 60 observations on the following 2 variables.

Weight

a numeric vector containing the bodyweights of rats

Dose

a factor with levels 1, 2, 3, 4, specifying the dose groups, where 1 is the control group

Source

Hothorn, L.A. (2004): Statistische Auswerteverfahren. In: Regulatorische Toxikologie (Reichl, F.X., ed.). Springer Verlag Heidelberg, pp. 167-181.

Examples

library(mratios)

data(BW)

str(BW)

boxplot(Weight~Dose, data=BW)