impla {nparcomp} | R Documentation |
Data from a fertility trial with 29 female Wistar rats: numbers of the implantations in a placebo group and in an active treatment group.
data(impla)
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.
The objective is to test if the active treatment influences the fertiliy of the rats.
Brunner, E., Munzel, U. (2002): Nichtparametrische Datenanalyse - Unverbundene Stichproben. Statistik und ihre Anwendungen, Springer-Verlag.
## Not run: library(nparcomp) data(impla) boxplot(impla~group,data=impla) ## End(Not run)