aucuba {glmtoolbox}

Lesions of Aucuba mosaic virus

Description

The investigators counted the number of lesions of Aucuba mosaic virus developing after exposure to X rays for various times.

Usage

data(aucuba)

Format

A data frame with 7 rows and 2 variables:

time

a numeric vector giving the minutes of exposure.

lesions

a numeric vector giving the counts of lesions, in hundreds.

References

Snedecor G.W., Cochran W.G. (1989) Statistical Methods, Eight Edition, Iowa State University Press, Ames.

Examples

data(aucuba)
dev.new()
barplot(lesions ~ time, col="red", data=aucuba)