nparcomp (version 3.0)

reaction: Reaction times of mice [sec]

Description

Data from a toxicity trial with 40 mice.

Usage

data(reaction)

Format

A data frame with 40 observations on the following 2 variables.

Group

A numeric vector indicating the group.

Time

A numeric vector containing the reaction times.

Details

The objective is to test if the active treatment influences the reaction time of the mice.

References

Shirley, E. (1977). Nonparametric Equivalent of Williams Test for Contrasting Increasing Dose Levels of a Treatment. Biometrics 33, 386 - 389.

Examples

# NOT RUN {
library(nparcomp)
data(reaction)
boxplot(Time~Group,data=reaction)
# }