Lesions of Aucuba mosaic virus
The investigators counted the number of lesions of Aucuba mosaic virus developing after exposure to X rays for various times. See Snedecor and Cochran (1980, page 404).
data(aucuba)
A data frame with 7 rows and 2 variables:
a numeric vector giving the minutes of exposure.
a numeric vector giving the counts of lesions, in hundreds.
Snedecor G.W. and Cochran W.G. (1989) Statistical Methods, Eight Edition, Iowa State University Press, Ames.
barplot(lesions ~ time, col="red", data=aucuba)
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