plank {npsm}

Plank data

Description

Abebe et al. (2001) discuss a dataset resulting from a three-way layout for a neurological experiment in which the time required for a mouse to exit a narrow elevated wooden plank is measured. The response is the log of time (in seconds) to exit. Interest lies in assessing the effects of three factors: the Mouse Strain (Tg+, Tg-), the mouse's Gender (female, male), and the mouse's Age (Aged, Middle, Young). The design is a 2 by 2 by 3 factorial design.

Usage

data(plank)

Format

A data frame with 64 observations on the following 4 variables.

response

a numeric vector

strain

a factor with levels 1 2

gender

a factor with levels 1 2

age

a factor with levels 1 2 3

References

Abebe, A., Crimin, K., McKean, J. W., Vidmar, T. J., and Haas, J. V. (2001) “Rank-Based Procedures for Linear Models: Applications to Pharmaceutical Science Data" Drug Information Journal,

Examples

data(plank)
boxplot(response~strain,data=plank)
raov(response~strain:gender:age,data=plank)