quail2 {npsm}

Quail from a two-factor experiment.

Description

Two sample quail data.

Usage

data(quail2)

Format

A data frame with 30 observations on the following 2 variables.

treat

indicator variable for treatment

ldl

ldl measurement

References

Hettmansperger, T.P. and McKean J.W. (2011), Robust Nonparametric Statistical Methods, 2nd ed., New York: Chapman-Hall.

McKean J.W., Vidmar, T.J., and Sievers, G.L. (1989), A robust two stage multiple comparison procedure with application to a random drug screen, Biometrics, 45, 1281–1297.

Examples

data(quail2)
boxplot(ldl~treat,data=quail2)