Numbers of implantations

Description

Data from a fertility trial with 29 female Wistar rats: numbers of the implantations in a placebo group and in an active treatment group.

Usage

data(impla)

Format

A data frame with 29 observations on the following 2 variables.

group

A factor with levels Placebo, Verum, where Verum denotes the active treatment group.

impla

A numeric vector.

Details

The objective is to test if the active treatment influences the fertiliy of the rats.

Source

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

Examples

library(nparcomp)
data(impla)
boxplot(impla~group,data=impla)