liver {nparcomp}R Documentation

Relative liver weights

Description

Data from a toxicity trial with male Wistar rats: Relative liver weight in a negative control group and in 4 dose groups with an increasing dose of an active treatment. After treatment the relative liver weight of the rats was computed.

Usage

data(liver)

Format

A data frame with 38 observations on the following 2 variables.

dosage
a numeric vector
weight
a numeric vector

Details

The objective is to test if the active treatment influence the liver weight of the rats.

Source

Brunner, E., Munzel, U. (2002): Nichtparametrische Datenanalyse - Unverbundene Stichproben. Statistik und ihre Anwendungen, Springer, Berlin Heidelberg New York

Examples

data(liver)
boxplot(weight~dosage,data=liver)

[Package nparcomp version 1.0-0 Index]