Cigar {BSDA} | R Documentation |
Data for Example 10.4
Cigar
A data frame with 100 observations on the following 6 variables.
brandA
brandB
brandC
brandD
tar
brand
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Duxbury
str(Cigar) attach(Cigar) boxplot(tar~brand) anova(lm(tar~as.factor(brand))) detach(Cigar)